DENN


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:SubsequentEventType
us-gaap:CommonStockParOrStatedValuePerShare

us-gaap:CommonStockSharesIssued
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
us-gaap:TitleOfIndividual
us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostsAndExpenses

us-gaap:GainLossOnInvestments

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingCostsAndExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService

us-gaap:Revenues

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:MarketableSecuritiesCurrent
us-gaap:FairValueByMeasurementBasis

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:ContractWithCustomerLiabilityCurrent
us-gaap:ProductOrService

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:TaxCreditCarryforward

us-gaap:ProceedsFromSaleOfLongtermInvestments

denn:EffectiveIncomeTaxRateReconciliationReclassificationOfInterestRateHedgesFromOtherComprehensiveIncome

denn:IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities

denn:OtherComprehensiveIncomeLossAmortizationOfUnrealizedGainsLossesOnDerivativesAfterTaxNet

denn:OtherComprehensiveIncomeLossReclassificationOfGainLossOnDedesignationOfDerivativesAfterTaxNet

denn:OtherComprehensiveIncomeLossReclassificationOfUnrealizedGainsLossesTax

denn:OtherComprehensiveIncomeLossReclassificationOnDedesignationTax

denn:ProceedsFromSaleOfOtherProductiveAssetsNetOfCosts
us-gaap:Range, us-gaap:TitleOfIndividual, us-gaap:AwardType
denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfGrowthInEarnings
us-gaap:AwardType, us-gaap:PlanName, us-gaap:SubsequentEventType
denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceGoalExceededProRatedPercentage

denn:TreasuryStockRetiredAverageCostPerShare

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AssetImpairmentCharges
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessExitCosts1
us-gaap:DerivativeInstrumentRisk
us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:ProductOrService

us-gaap:CostDirectLabor

us-gaap:CostDirectMaterial

us-gaap:CostsOfFranchisedOutlets

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:StatementEquityComponents
us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnTerminationOfLease

us-gaap:GoodwillOtherIncreaseDecrease

us-gaap:ImpairmentOfIntangibleAssetsFinitelived

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:LeaseIncome

us-gaap:OccupancyNet
us-gaap:StatementEquityComponents
us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:StatementEquityComponents

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireLongtermInvestments

us-gaap:PaymentsToAcquireNotesReceivable

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:ProceedsFromCollectionOfNotesReceivable

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromRepaymentsOfBankOverdrafts

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RestructuringCharges

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:SaleOfStockConsiderationReceivedOnTransaction
us-gaap:SubsequentEventType
us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction
us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock

us-gaap:SeveranceCosts1
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:TitleOfIndividual
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

us-gaap:StockIssued1
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:TangibleAssetImpairmentCharges
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockSharesRetired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:UnrealizedGainLossOnDerivatives
us-gaap:IncomeStatementLocation

us-gaap:VariableLeaseIncome

denn:AccruedLiabilitiesForUnredeemedGiftCards

denn:AccumulatedAmortizationFinancingLeaseROUAssets
us-gaap:StatementScenario, us-gaap:DebtInstrument
denn:DebtInstrumentCovenantCapitalExpendituresRestrictionsExpandedAmount
us-gaap:Range, us-gaap:StatementScenario, us-gaap:CreditFacility, us-gaap:DebtInstrument
denn:DebtInstrumentCovenantLiquidityRequirement
us-gaap:Range, us-gaap:StatementScenario, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

denn:DeferredPaymentOfEmployerPortionOfSocialSecurityTaxesCARESAct

denn:DeferredTaxAssetFinanceLeaseLiabilities

denn:DeferredTaxAssetsOperatingLeaseLiabilities

denn:GuarantorObligationsLoansPayableOfFranchisee

denn:NetOperatingLossCarryback
us-gaap:AwardType, us-gaap:PlanName
denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsFairValue
us-gaap:Range, us-gaap:AwardType, us-gaap:PlanName, us-gaap:SubsequentEventType
us-gaap:AwardType, us-gaap:PlanName
denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName, us-gaap:SubsequentEventType
us-gaap:AwardType, us-gaap:PlanName
denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNumberOfSharesAffectedByModification
us-gaap:AwardType, us-gaap:PlanName, us-gaap:SubsequentEventType
us-gaap:AwardType
denn:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValue
us-gaap:AwardType
denn:SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedNumber
us-gaap:AwardType
denn:SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedWeightedAverageGrantDateFairValue

us-gaap:AccountsReceivableGrossCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AccruedAdvertisingCurrent

us-gaap:AccruedInsuranceCurrent

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets
us-gaap:FranchisorDisclosure

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:DisposalGroupClassification
us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:DisposalGroupClassification

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DeferredCompensationPlanAssets
us-gaap:FairValueByMeasurementFrequency
us-gaap:AwardType
us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent
us-gaap:AwardType
us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDerivativeInstruments

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
us-gaap:TaxCreditCarryforward

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilities
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:StatementEquityComponents
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherAssets
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:TitleOfIndividual
us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:FranchisorDisclosure
us-gaap:FranchisorDisclosure
us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization
us-gaap:FranchisorDisclosure
us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:IndefiniteLivedLicenseAgreements

us-gaap:IndefiniteLivedTradeNames

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:LesseeFinanceLeaseDiscountRate

us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:DebtInstrument
us-gaap:LongtermDebtWeightedAverageInterestRate
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

us-gaap:LossContingencyDiscountedAmountOfInsuranceRelatedAssessmentLiability

us-gaap:NotesAndLoansReceivableGrossCurrent

us-gaap:NotesAndLoansReceivableNetNoncurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:OtherReceivablesGrossCurrent

us-gaap:OtherSundryLiabilitiesCurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent
us-gaap:FranchisorDisclosure
us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets
us-gaap:FranchisorDisclosure
us-gaap:FranchisorDisclosure, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets
us-gaap:FranchisorDisclosure

us-gaap:PurchaseObligation

us-gaap:PurchaseObligationDueInNextTwelveMonths

us-gaap:RestructuringReserve

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:SaleOfStockPricePerShare

us-gaap:SelfInsuranceReserveNoncurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits

us-gaap:TreasuryStockShares
us-gaap:StatementEquityComponents

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Other Nonoperating Income Expense
Balance Sheet
Stockholders Equity
Assets
Inventory Net
Current Assets
Inventory Net
NonCurrent Assets
Deferred Income Tax Assets Net
Liabilities
Derivative Liabilities
Current Liabilities
Contract With Customer Liability Current
Noncurrent Liabilities
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Treasury Stock Shares
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:CommonStockValue ▁▁▁█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆0.6420.6410.641.1781.0971.0971.0941.0941.0931.091.0861.0851.0841.0831.0771.0761.0751.0751.0711.071.071.071.0651.0641.0641.0631.0581.0551.0531.0521.051.0471.0451.0441.0381.0371.031.0281.0271.0261.022NA1.001NANA
 us-gaap:CommonStockParOrStatedValuePerShare us-gaap:SubsequentEventType us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued ▅▅▅█████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▁▇▇▁▁▇64.264.14563.962117.778109.719109.677109.415109.413109.291108.986108.585108.493108.47108.259107.74107.554107.54107.536107.115107.02106.981106.964106.521106.437106.418106.274105.818105.498105.229105.177105.014104.695104.479104.341103.7640.103664102.966102.8490.1026680.102546102.176NA100.073NANA
us-gaap:CommonStockSharesOutstanding ▆▆▆▆▅▅▅▅▅▅▅▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇███▁██▁▁█64.264.14563.96263.76855.70955.66757.09559.3459.80761.03861.53362.90563.45664.03764.58965.68568.18370.24171.35873.97776.5676.90576.86281.85783.37584.71484.70784.84585.80388.03889.23289.37290.93792.46592.2290.09452894.84696.1530.0959720.09648497.408NA99.036NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█65.29465.749NA64.02755.68658.106NA61.18962.08263.683NA65.52266.12866.946NA69.2171.66173.241NA76.79176.7378.877NA85.05686.0887.465NA86.98388.38490.816NA91.96793.66594.461NA96.74597.40897.878NA0.098746100.602101.362NA0.101305101.983
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁65.29465.251NA63.79355.68656.3NA59.4360.2961.651NA63.24663.64464.432NA66.87369.40771.004NA74.85176.7377.06NA82.92383.97584.875NA85.06186.78188.803NA90.03591.65992.35NA94.70595.63796.075NA0.09699798.42198.98NA0.09957999.263
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁0.9980.273NA0.5683.4930.001NA0.2740.630.63NA0.00.0010.471NA0.6060.6060.58NA0.02.6360.0NA0.00.00.0NA0.2520.6060.573NA0.3310.3310.331NA0.116NANANANANANANANANA
us-gaap:EarningsPerShareBasic ▃▅▃▄▁▄▅▇▆▄▄▄▄▄▄▄▄▄▄▄▂▄▄▄▄▄▄▄▄▃▃▄▃▄▃▃▃▃█▄▄▃▃▄-0.010.360.040.1-0.410.160.320.830.570.250.190.170.180.150.20.140.130.120.160.13-0.150.130.110.110.120.10.110.10.10.070.050.080.070.080.070.060.050.060.960.080.080.040.030.1NA
us-gaap:EarningsPerShareDiluted ▃▅▃▄▁▄▅▇▆▄▄▄▄▄▄▄▄▄▄▄▂▄▄▄▄▄▄▄▄▃▃▄▃▃▃▃▃▃█▄▄▃▃▄-0.010.350.040.1-0.410.160.310.80.550.240.180.160.180.150.190.130.120.110.150.13-0.150.130.110.110.110.10.110.10.090.070.050.080.070.070.070.060.050.060.940.080.080.040.019999999999999990.1NA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:AllocatedShareBasedCompensationExpense ▆▆█▄▄▁▂▄▅▅▅▃▄▄▄▅▄▄▄▄▄▄▃▄▄▄▅▃▄▄▄▃▄▄▃▃▃3.3883.4725.9761.9981.511-1.537-0.4482.1762.7132.2532.3771.11.2111.351.352.4932.081.9731.9851.7751.9021.9481.131.9411.8591.7052.8530.6491.181.1641.4181.0531.2061.1750.7021.1280.876NA1.0391.0311.176NANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▂▄▃▃▁▁▄▅▄▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃█▃▃▃-0.57826.2563.1597.489-18.55-23.65926.50634.12823.6253.3374.81615.36315.0166.66814.1549.5487.2197.76419.6759.7717.0525.27410.8285.67313.3176.9832.2148.6437.8856.22310.0276.5748.7937.3355.495.6314.8696.13386.4347.9858.134.124NANANA
us-gaap:CostsAndExpenses ▄▃▃▂▁▃▄▁▅▇████▆▆▆▆▆▆▇▅▆▅▅▅▆▅▅▅▅▅▅▅▅▆▅▆▆▇▇▇▇▇▇87.8875.06281.18568.40453.68878.64987.27356.084105.769127.28139.789139.554138.374138.848116.646113.849116.367111.609113.583110.809129.148106.409109.328108.055105.905104.854112.324102.32399.669100.648106.326103.75103.957101.039104.162109.255105.732112.825118.388122.715122.146124.311121.759122.997122.173
us-gaap:GainLossOnInvestments ▂▂▃▄▁█▂▆▆▄▃▂▂▂0.005-0.0080.0060.026-0.0250.1160.0010.0730.0670.0390.0090.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▆▆█▄▄▁▅▆▇▇▅▆▅▆▅▆▆▆▆▆▆▆▆▆▆▆▆▄▄▅▄▄▄▅▅▅▅▅▄▄▄▅▅▅▄17.54816.94720.45113.69413.1537.74215.35916.39518.45318.81115.6915.98115.59716.5615.87916.44616.58117.50917.26917.55816.20616.92716.83116.00816.82716.93617.28413.43914.06814.11613.88713.70414.08515.15915.15714.70214.78515.66313.78613.33514.09214.13915.05914.37513.111
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▃▅▃▄▁▄▅█▆▅▄▄▄▄▄▄▄▄▄▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▄▄-2.03231.2852.2977.295-28.03911.33223.64564.40141.00620.14712.84313.61514.20411.58815.25114.75413.67913.11713.16915.003-7.72815.43212.49112.80415.23313.20114.2512.45813.0039.055.36611.3498.73510.658.978.5647.8089.7527.0758.3918.5384.3233.10410.3535.82
us-gaap:IncomeTaxExpenseBenefit ▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇-1.2048.104-0.0620.818-5.0742.3195.08615.2796.7674.6571.342.812.5781.8292.1045.4294.934.7441.8955.2773.8245.4783.7323.8545.4994.6684.5724.1154.732.6191.1044.3182.5373.5692.493.2013.2073.887-84.9730.4060.4080.1990.3710.4190.362
us-gaap:IncomeTaxesPaidNet ▂▂▁▁▁▁▅▅█▂▂▂▂▂▂▃▃▂▂▁▂▁▂▂▄▁▂▂▂▂▂▂▂▂▁▂▂▁▁▁1.5210.421-0.5390.2680.0530.2246.2945.86111.6250.3670.9070.8521.0720.4231.3282.3712.2730.3951.8720.2020.6270.3110.4480.7563.8620.2980.7321.430.820.820.9460.4960.9920.3430.1690.51.1520.2130.1360.251NANANANANA
us-gaap:InterestExpense ▇▇▇▇█▇▇▇█████▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▆▇▂▂▂█▁▁▁4.0664.2774.6454.4224.9473.9513.574.1885.3825.4075.4215.3145.3854.6254.2924.0673.743.5413.3273.1173.0142.7742.6052.3272.2642.0872.3022.2842.2742.3222.4822.4522.5482.82.8323.0882.9934.456-4.65-4.796-4.9015.693-6.486-6.394-6.514
us-gaap:InterestPaidNet ▂▆▄▃▅▂▁▄███3.7354.7434.0383.7944.4613.5963.3994.1635.1635.0675.098NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▂▄▃▃▁▃▄▅▄▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃█▃▃▃▃▃▃-0.82823.1812.3596.477-22.9659.01318.55949.12234.23915.4911.50310.80511.6269.75913.1479.3258.7498.37311.2749.726-11.5529.9548.7598.959.7348.5339.6788.3438.2736.4314.2627.0316.1987.0816.485.3634.6015.86592.0487.9858.134.1242.7339.9345.458
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▂▄▃▃▁▃▄▅▄▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃█▃-0.82823.1812.3596.477-22.9659.01318.55949.12234.23915.4911.50310.80511.6269.75913.1479.3258.7498.37311.2749.726-11.5529.9548.7598.959.7348.5339.6788.3438.2736.4314.2627.0316.1987.0816.485.3634.6015.86592.0487.985NANANANANA
us-gaap:OperatingCostsAndExpenses ▃▂▂▂▁▃▃▅▇██████▇37.81330.16431.47527.3719.60636.11840.14754.30679.8384.11387.50387.84686.57586.85883.85981.322NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▄▃▂▂▁▄▄█▆▄▄▄▄▄▄▄▄▄▄▄▂▄▃▄▄▃▄▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▃▄▃18.2855.514-1.083.24-13.52718.04626.56368.17446.11524.13119.7618.46918.9616.42518.85318.53517.00916.30116.02217.577-4.83318.23314.69715.72317.41415.31716.40514.70914.94511.2727.93113.52512.61413.45111.78711.6918.99913.91311.80613.96713.70711.49414.12616.93512.904
us-gaap:OtherNonoperatingIncomeExpense ▁█▅▅▂▃▄▄▃▄▃▄▄▃▄▄▄▄▄▄▃▃▄▃▃▃▃▃▄▃▃▃▃▃▃▃▂▄▃▄▃▃▄▃▄-16.25130.0488.0228.477-9.565-2.7630.6520.4150.2731.423-1.4960.460.629-0.2120.690.2860.410.3570.4740.5430.119-0.0270.399-0.5920.083-0.0290.1470.0330.3320.1-0.0830.276-1.331-0.0010.015-0.038-8.1980.2950.0810.780.268-1.4784.5360.1880.57
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▅▃▃▃▁▄▅▆██████▇▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▆▅▅▅▆▆▆▆▇▇▇▇▇▇106.16580.57680.10571.64440.16196.695113.836124.258151.884151.411159.549158.023157.334155.273135.499132.384133.376127.91129.605128.386124.315124.642124.025123.778123.319120.171128.729117.032114.614111.92114.257117.275116.571114.49115.949120.945124.731126.738130.194136.682135.853135.805135.885139.932135.077
us-gaap:Revenues ▅▃▃▃▁▄▅▆██████▇▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▆▅▅▅▆▆▆▆▇▇▇▇▇▇106.16580.57680.10571.64440.16196.695113.836124.258151.884151.411159.549158.023157.334155.273135.499132.384133.376127.91129.605128.386124.315124.642124.025123.778123.319120.171128.729117.032114.614111.92114.257117.275116.571114.49115.949120.945124.731126.738130.194136.682135.853135.805135.885139.932135.077
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:Assets ▆▆▆▇▇█▇▇▆▆▃▃▃▃▂▂▂▂▂▂▁▁▂▁▁▁▁▁▁▁▂▂▂▂▃▃▃▃▃▁▁418.347422.925430.949450.797468.703484.133460.387441.431438.736422.332335.349328.758334.559333.589323.782309.226306.904308.159306.151297.732293.24288.837297.037289.707285.114281.064289.858284.279284.194287.731295.777299.909301.398311.293324.885325.854328.88336.242350.501280.636286.662NA311.206NANA
us-gaap:Liabilities ▅▅▆▆██▆▆▆▆▄▄▄▄▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▃▃517.77524.997561.395589.168686.21684.625598.451560.177581.308562.553468.694438.738452.436455.004421.142406.823386.803372.841377.263351.484345.897346.264357.632297.255282.4277.161288.275281.852284.208281.989287.346299.524298.938309.474329.345325.291331.652338.887360.177376.115386.185NA414.918NANA
us-gaap:LiabilitiesAndStockholdersEquity ▆▆▆▇▇█▇▇▆▆▃▃▃▃▂▂▂▂▂▂▁▁▂▁▁▁▁▁▁▁▂▂▂▂▃▃▃▃▃▁▁418.347422.925430.949450.797468.703484.133460.387441.431438.736422.332335.349328.758334.559333.589323.782309.226306.904308.159306.151297.732293.24288.837297.037289.707285.114281.064289.858284.279284.194287.731295.777299.909301.398311.293324.885325.854328.88336.242350.501280.636286.662NA311.206NANA
us-gaap:StockholdersEquity ▅▅▄▃▁▂▃▄▃▃▄▄▄▄▅▅▅▆▆▆▆▆▆███████████████▇▅▅-99.423-102.072-130.446-138.371-217.507-200.492-138.064-118.746-142.572-140.221-133.345-109.98-117.877-121.415-97.36-97.597-79.899-64.682-71.112-53.752-52.657-57.427-60.595-7.5482.7143.9031.5832.427-0.0145.7428.4310.3852.461.819-4.460.563-2.772-2.645-9.676-95.479-99.523NA-103.712NANA
 us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents denn:DedesignatedInterestRateSwaps,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent-64.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents denn:InterestRateHedges2018,us-gaap:AccumulatedGainLossNetCashFlowHedgeParentNA-64.2-64.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents denn:TwoThousandEighteenSwaps,us-gaap:AccumulatedGainLossNetCashFlowHedgeParentNANANA-64.6-65.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustment▃▂▁██▇▇▇-0.919-0.948-0.978-0.731-0.748-0.764-0.781-0.779NANA-0.827NANANA-0.982NANANA-0.945NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▃▃▂▂▂▁█-56.161-56.382-59.427-60.474-61.469-65.868-33.179NANANA-3.319NANANA-1.334NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome▂▂▂▂▁▁▄▄▅▆▇██▇█▇▇██▇▇▅▅▅▅▅▅▆▆▆▆▅▆▅▅▅▅▅▅▆▆-57.08-57.33-60.405-61.205-62.217-66.632-33.96-41.907-26.913-16.299-4.1462.541-2.017-5.407-2.316-3.323-3.546-2.016-1.407-9.808-9.853-28.457-23.777-25.846-22.569-26.152-24.602-17.138-17.438-17.05-16.842-22.607-22.15-24.745-24.999-24.009-24.277-24.545-24.813-19.199-19.199NA-19.199NANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▁▁▁█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇129.176125.95123.833672.502600.936599.401603.98604.406601.902598.825592.944597.344596.248595.069594.166591.773589.351587.369577.951582.864568.697567.156565.364575.506573.711572.109571.674570.705568.939567.688567.505566.369564.777563.483562.657561.665559.16558.293557.396555.852554.979NA548.49NANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStock▁▁▁█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆0.6420.6410.641.1781.0971.0971.0941.0941.0931.091.0861.0851.0841.0831.0771.0761.0751.0751.0711.071.071.071.0651.0641.0641.0631.0581.0551.0531.0521.051.0471.0451.0441.0381.0371.031.0281.0271.0261.022NA1.001NANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings████▇██▇▇▆▆▆▆▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▁▁-172.161-171.333-194.514-196.873-203.35-180.385-189.398-207.957-257.079-291.318-306.414-317.917-328.722-340.348-334.661-347.976-357.301-366.05-382.843-394.117-403.843-392.291-402.245-411.004-419.954-429.688-438.221-447.899-456.242-464.515-470.946-475.208-482.239-488.437-495.518-501.998-507.361-511.962-517.827-609.875-617.86NA-630.114NANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:TreasuryStockNANANA-553.973-553.973-553.973-519.78-474.382-461.575-432.519-416.815-393.033-384.47-371.812-355.626-339.147-309.478-285.06-265.884-233.761-208.728-204.905-201.002-147.268-129.538-113.429-108.326-104.296-96.326-81.433-72.336-69.216-58.973-49.526-47.638-36.132-31.324-25.459-25.459-23.283-18.465NA-3.89NANA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:AssetsCurrent ▄▅▄▆▇█▅▃▆▅▄▂▃▂▃▂▁▂▃▁▂▂▃▆▅▅▆▄▄▄▅▅▄▆▇▇▇▆▆▄▄48.42753.73448.66657.18163.01371.58452.73339.03257.41749.03947.634.50537.86135.5841.28930.65728.0131.59735.90725.8830.49230.63436.41455.90351.4449.50156.07147.30245.44446.82253.82650.4647.65856.37264.6168.23364.07958.83261.29344.34943.295NA62.486NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▃▃▁▃▅█▁▁▁▁▂10.88214.5083.89211.21721.07739.2183.3722.022.2921.8975.026NANANA4.983NANANA2.592NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MarketableSecuritiesCurrent ▂▂▂▂▂█▅▄▄▄▁▁2.0692.0642.2722.2662.245.1653.6493.1883.1153.0481.7091.709NANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ReceivablesNetCurrent ▅▅▅▅▄▂█▄▄▄▇▃▄▄▅▃▃▄▄▂▂▂▃▁▂▂▄▂▂▂▃▂▃▃▅▂▂▁▂▂▃20.40720.82121.34920.63719.04915.13627.48819.90318.62818.30426.28317.18618.97519.51221.38417.42316.74218.73819.84114.17514.10913.81916.55213.18713.74914.1418.05914.75913.99814.21617.32114.16716.38916.76219.94713.61413.78112.37714.97113.52315.92NA17.28NANA
us-gaap:InventoryNet ▂▁▁▁▁▁▂▂▅▆▆▆▇▇▇▆▆▇▆▆▆▆▇▆▆▅▆▆▆▆▆▆▆▆▆▆▆▇▇██1.281.1691.1811.0171.1071.2021.3251.4682.3472.8722.9933.0513.0963.1013.1342.9983.0473.0883.0463.0092.7962.8613.1172.9082.822.682.9522.7432.7722.9162.8812.892.8392.9252.892.8462.9673.3393.4383.523.644NA4.037NANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▅▅██▇▄▆▄▆▃▄▄▅▃▅▃▂▂▃▂▂▃▆▃▂▂▂▂▁▂▂▂▁▂▃▂▁▃▄▄▄12.16813.55218.84718.83817.56710.86314.97411.03415.6157.96210.86610.49512.049.04811.7888.5735.8216.2779.4087.176.8949.56614.1438.0356.6656.8557.6766.3295.0685.947.4176.1114.6836.1848.4017.3375.5248.23711.2749.97910.123NA10.162NANA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▁▁▁▁▁▁▁▁▂▄▆▇▇▇▇▇▇█████▇█████████████▇149.516146.825146.583147.51149.156151.14147.445153.175160.548189.939226.62248.062245.733245.365243.325243.107239.689255.163255.185252.981251.129250.264247.995250.253251.345254.753255.089253.252252.475253.137255.966251.617252.144252.687250.173249.715232.677NA241.102239.809248.757NA247.492NANA
us-gaap:Goodwill ▆▆▆▆▆▆▆▆▆▇████▇▇▅▅▅▅▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▂36.88436.88436.88436.88436.88436.88436.83236.88437.0838.12439.78139.84339.84339.84338.26937.82136.30835.60735.23335.2733.66833.66733.45431.89831.45131.45131.45131.45131.45131.45131.45131.45131.45131.4331.4330.40230.47630.57330.76431.02331.218NA31.308NANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▃▃▄▄▄▄▅▅▅▆▇▇██▆▆▆▅▅▅▂▁▁▁▁▁▁▁▂▂▂▂▂▂▂▃▃▃▃▃▃50.89251.22651.55952.152.68153.2753.95654.59155.73656.63159.06759.90760.85161.62857.10956.07556.39154.70354.49353.89748.77946.31146.07446.21145.72845.99246.27846.68347.09347.51647.92548.47948.47148.36948.9249.20849.80450.36450.92150.09250.747NA52.054NANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA23.21NANANA14.71821.42320.84820.61717.33315.59519.33322.29416.94517.96621.75423.84517.68323.08326.664NA29.159NANANA43.562NANANA51.554NANANA65.583NANANA76.155NANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇▇▇▇███▇▆▅▁135.229135.004139.534145.302149.169152.952158.55143.371115.33894.2490.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▆▆▆▅▅▅▆▆█▅▄▆▅▄▃▃▃▃▃▂▂▂▁▁▃▂▂▂▂▂▃▃▄▂▂▁▅▄▃▃▄33.40732.5932.69830.41431.55930.58732.52533.30136.53831.68329.22932.96231.38830.09727.37227.16727.14927.47927.79725.98125.3324.97424.59123.82627.81125.63725.41526.23726.026.29326.56827.328.58825.47425.10424.65630.45828.85628.23128.06328.993NA30.554NANA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:AccountsPayableCurrent ▂▁▁▁▄▁▄▃▆▇▇▄▆▆█▄▄▄▆▂▂▃▄▂▂▃▂▃▂▃▂▃▄▄▅▃▃▃▆▄▅14.37610.63212.02110.89818.90112.00920.25617.70525.23728.58429.52720.32726.09525.41132.48719.00221.42821.0325.28914.87714.28915.98220.75913.74912.27716.30713.2516.40814.33215.81714.23717.00918.48419.33624.46117.60417.03517.90325.93520.2823.327NA25.957NANA
us-gaap:ContractWithCustomerLiabilityCurrent ▁▂▂▅▅▇█1.9461.9721.9972.1122.1122.1792.235NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▅▃▃▂▃▁▇▅▇█▇▃▄▄▇▃▄▃▆▃▃▄█▃▂▂▄▃▁▂▃▃▃▄▆▅▅▃▅▅▄87.61275.81977.17872.4676.75766.03895.58187.85398.72999.57594.72777.5282.40580.24494.90176.03981.27377.06893.3773.93375.00679.528101.55374.18369.97669.14280.41674.1866.93369.75974.08574.40773.7679.2591.82485.32284.42875.10187.19584.45783.237NA90.334NANA
us-gaap:OperatingLeaseLiabilityCurrent ▇▇▇██▇▇▇▇▇▁16.34816.2116.85618.25318.47916.40316.34416.71816.99917.0040.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▄▃▃▂▁▁▅▄▄▃▅▄▄▄▅▄▄▄▆▄▅▅█▅▄▃▅▃▃▃▄▃▃▃▄▄▄▃▄▅▄55.25147.16946.46241.34637.3935.98957.30751.61853.84250.561.7953.91153.21851.70759.24653.74856.52152.71964.79655.74557.44160.25877.54857.12154.4449.56459.43250.2245.17946.70852.69850.22848.05546.52954.68253.67350.97150.17754.28957.0452.941NA57.685NANA
us-gaap:TaxesPayableCurrent ▂▁▂▄▂▁▃▅▄▅▆█▆▅▅▇▆▅▅▇▅▅▅▇▄▅▅5.2834.4694.856.5954.9124.6535.6247.1436.7157.1737.6679.3587.8127.4227.3848.887.6837.1927.4078.9587.4057.0387.3118.5186.8327.0917.129NANANA6.258NANANA6.157NANANA6.904NANANANANANA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:LiabilitiesNoncurrent ▅▅▆▆██▆▆▆▅▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▃430.158449.178484.217516.708609.453618.587502.87472.324482.579462.978373.967361.218370.031374.76326.241330.784305.53295.773283.893277.551270.891266.736256.079223.072212.424208.019207.859207.672217.275212.23213.261225.117225.178230.224237.521239.969247.224263.786272.982291.658302.948NA324.584NANA
us-gaap:LongTermDebtNoncurrent ▃▄▄▅██▅▄▆▇▇▆▇▇▆▆▅▅▄▄▃▄▃▂▁▁▁▂▂▂▂▂▂▂▂▂▂▃▃▄▄180.0215.0210.0230.0307.0318.0240.0213.0271.0283.5286.5278.0282.0282.0259.0261.8235.0230.0218.5203.0198.0201.0195.0150.0142.0135.5135.875148.75157.875152.25150.0152.5153.75156.75161.5166.25171.0185.45193.257205.023214.799NA234.143NANA
us-gaap:DebtAndCapitalLeaseObligations NANA225.369NANANA256.453NANANA317.091NANANA289.222NANANA245.591NANANA215.745NANANA158.813NANANA173.073NANANA190.134NANANANANANANANANANA
us-gaap:DeferredFinanceCostsNoncurrentNet ▁▂▂▂▂▁▁▁▂▂▂▂▂▃▃▁▁▁▂▂▂▂▂▂▂▂▁▁▁▂▂▂▂▂▂▂▂▆▇▇█1.7272.0712.4142.1192.3691.5751.7271.8792.0312.1832.3352.4872.6382.792.9421.4911.6391.7871.9362.0842.2322.3812.5292.222.3382.4511.6141.7341.8551.9762.0972.2162.3331.9172.0412.1772.35.4145.8846.4577.01NA5.286NANA
us-gaap:LongTermDebtAndCapitalLeaseObligations NANA223.53NANANA254.779NANANA313.681NANANA286.054NANANA242.306NANANA212.499NANANA151.079NANANA165.923NANANA177.453NANANA211.334NANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent NANA1.581NANANA1.675NANANA1.809NANANA2.328NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▆▄▇▇██▅▆▄▃▂▂▂▃▁▁▁▁▁▂▂▁▁▂▂▂▂▁▁▁▁▂▂▂▂▂▂▂▂▂▂94.33278.081112.844120.221130.858124.95783.88794.19671.09957.36548.08743.88847.83151.56127.95129.10429.53326.94526.73438.18537.96333.16627.63139.7237.640.03738.77525.75226.84426.51429.08938.84738.68540.61742.02339.89942.14743.13443.09635.7837.577NA39.304NANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▇▇▇████▇▆▅▁132.959133.051137.534142.11146.08149.239152.75137.165107.36884.220.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA22.381NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA20.146NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA18.621NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA17.453NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA106.039NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:StockholdersEquity ▅▅▄▃▁▂▃▄▃▃▄▄▄▄▅▅▅▆▆▆▆▆▆███████████████▇▅▅-99.423-102.072-130.446-138.371-217.507-200.492-138.064-118.746-142.572-140.221-133.345-109.98-117.877-121.415-97.36-97.597-79.899-64.682-71.112-53.752-52.657-57.427-60.595-7.5482.7143.9031.5832.427-0.0145.7428.4310.3852.461.819-4.460.563-2.772-2.645-9.676-95.479-99.523NA-103.712NANA
 us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents denn:DedesignatedInterestRateSwaps,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent-64.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents denn:InterestRateHedges2018,us-gaap:AccumulatedGainLossNetCashFlowHedgeParentNA-64.2-64.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents denn:TwoThousandEighteenSwaps,us-gaap:AccumulatedGainLossNetCashFlowHedgeParentNANANA-64.6-65.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustment▃▂▁██▇▇▇-0.919-0.948-0.978-0.731-0.748-0.764-0.781-0.779NANA-0.827NANANA-0.982NANANA-0.945NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▃▃▂▂▂▁█-56.161-56.382-59.427-60.474-61.469-65.868-33.179NANANA-3.319NANANA-1.334NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome▂▂▂▂▁▁▄▄▅▆▇██▇█▇▇██▇▇▅▅▅▅▅▅▆▆▆▆▅▆▅▅▅▅▅▅▆▆-57.08-57.33-60.405-61.205-62.217-66.632-33.96-41.907-26.913-16.299-4.1462.541-2.017-5.407-2.316-3.323-3.546-2.016-1.407-9.808-9.853-28.457-23.777-25.846-22.569-26.152-24.602-17.138-17.438-17.05-16.842-22.607-22.15-24.745-24.999-24.009-24.277-24.545-24.813-19.199-19.199NA-19.199NANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▁▁▁█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇129.176125.95123.833672.502600.936599.401603.98604.406601.902598.825592.944597.344596.248595.069594.166591.773589.351587.369577.951582.864568.697567.156565.364575.506573.711572.109571.674570.705568.939567.688567.505566.369564.777563.483562.657561.665559.16558.293557.396555.852554.979NA548.49NANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStock▁▁▁█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆0.6420.6410.641.1781.0971.0971.0941.0941.0931.091.0861.0851.0841.0831.0771.0761.0751.0751.0711.071.071.071.0651.0641.0641.0631.0581.0551.0531.0521.051.0471.0451.0441.0381.0371.031.0281.0271.0261.022NA1.001NANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings████▇██▇▇▆▆▆▆▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▁▁-172.161-171.333-194.514-196.873-203.35-180.385-189.398-207.957-257.079-291.318-306.414-317.917-328.722-340.348-334.661-347.976-357.301-366.05-382.843-394.117-403.843-392.291-402.245-411.004-419.954-429.688-438.221-447.899-456.242-464.515-470.946-475.208-482.239-488.437-495.518-501.998-507.361-511.962-517.827-609.875-617.86NA-630.114NANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:TreasuryStockNANANA-553.973-553.973-553.973-519.78-474.382-461.575-432.519-416.815-393.033-384.47-371.812-355.626-339.147-309.478-285.06-265.884-233.761-208.728-204.905-201.002-147.268-129.538-113.429-108.326-104.296-96.326-81.433-72.336-69.216-58.973-49.526-47.638-36.132-31.324-25.459-25.459-23.283-18.465NA-3.89NANA
us-gaap:CommonStockValue ▁▁▁█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆0.6420.6410.641.1781.0971.0971.0941.0941.0931.091.0861.0851.0841.0831.0771.0761.0751.0751.0711.071.071.071.0651.0641.0641.0631.0581.0551.0531.0521.051.0471.0451.0441.0381.0371.031.0281.0271.0261.022NA1.001NANA
us-gaap:AdditionalPaidInCapitalCommonStock ▁▁▁█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇129.176125.95123.833672.502600.936599.401603.98604.406601.902598.825592.944597.344596.248595.069594.166591.773589.351587.369577.951582.864568.697567.156565.364575.506573.711572.109571.674570.705568.939567.688567.505566.369564.777563.483562.657561.665559.16558.293557.396555.852554.979NA548.49NANA
us-gaap:RetainedEarningsAccumulatedDeficit ████▇██▇▇▆▆▆▆▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▁▁-172.161-171.333-194.514-196.873-203.35-180.385-189.398-207.957-257.079-291.318-306.414-317.917-328.722-340.348-334.661-347.976-357.301-366.05-382.843-394.117-403.843-392.291-402.245-411.004-419.954-429.688-438.221-447.899-456.242-464.515-470.946-475.208-482.239-488.437-495.518-501.998-507.361-511.962-517.827-609.875-617.86NA-630.114NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▂▂▂▁▁▄▄▅▆▇██▇█▇▇██▇▇▅▅▅▅▅▅▆▆▆▆▅▆▅▅▅▅▅▅▆▆-57.08-57.33-60.405-61.205-62.217-66.632-33.96-41.907-26.913-16.299-4.1462.541-2.017-5.407-2.316-3.323-3.546-2.016-1.407-9.808-9.853-28.457-23.777-25.846-22.569-26.152-24.602-17.138-17.438-17.05-16.842-22.607-22.15-24.745-24.999-24.009-24.277-24.545-24.813-19.199-19.199NA-19.199NANA
us-gaap:TreasuryStockValue NANANA553.973553.973553.973519.78474.382461.575432.519416.815393.033384.47371.812355.626339.147309.478285.06265.884233.761208.728204.905201.002147.268129.538113.429108.326104.29696.32681.43372.33669.21658.97349.52647.63836.13231.32425.45925.45923.28318.465NA3.89NANA
us-gaap:StockIssuedDuringPeriodValueNewIssues NANA0.069.571NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANA0.069.491NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStockNANA0.00.08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▇▆█▆▆▁▄▆▇▄▆▅▅▄▆▆▆▆▆▅▆▆▅▆▅▄▅▅▅▅▅▅▅▅▅▅▅▅▅▅3.2272.0024.5511.931.469-4.576-0.4312.0892.637-0.9852.1971.0521.18-0.1041.9122.3851.9771.8571.3781.2241.4921.4961.0371.3021.132-0.0430.7370.4220.770.4160.4440.7740.8330.2410.5740.4480.6340.4260.8180.705NANANANANA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities █▄▄▂▁▃▄▄▅▅▇▆▆▃█▄▆▄▇▆▅▄▆▆▇▄▇▅▅▅▄▆▅▄▅▅▅▄▅▆▄▅▄▆33.13610.2358.473-3.652-9.8591.90111.3016.87112.68712.46827.43120.16322.6463.4534.74410.70724.7978.02128.0320.30714.1678.65823.7120.03926.26510.62326.6718.30916.60113.33112.32620.39416.9677.35515.18117.79517.7428.48612.90221.67210.34214.5936.66220.901NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▃▃▃▃▂▃█▅▂▂▂▂▁▂▂▂▂▂▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▃▃▂▂▂▂▃-1.1870.183.3761.6093.822-4.1569.33464.6632.322-1.347-3.52-8.039-6.821-13.637-7.359-7.102-5.723-6.963-6.763-18.42-3.929-3.544-12.181-8.127-9.027-3.4-4.091-4.235-6.532-6.431-7.041-2.557-4.718-2.154-9.813-2.7046.542.476-0.512-2.674-1.429-3.082-5.1460.163NA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▆▄▅▅█▄▁▃▅▄▅▅▆▄▅▄▅▄▅▅▅▄▅▅▅▄▅▅▅▅▅▄▅▅▅▅▅▅▄▅▄▅▅-35.5750.201-19.174-7.817-12.10438.101-19.283-71.803-44.614-14.25-20.756-14.003-15.9949.123-24.065-3.61-19.146-1.91-20.201-7.054-7.682-2.648-18.459-8.436-13.831-8.579-20.955-13.845-10.262-8.429-8.672-13.518-20.501-8.503-15.951-11.94-16.825-11.162-13.597-16.988-15.147-21.414-13.08-2.103NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▅▂▂▁█▄▃▃▃-3.62610.616-7.325-9.86-18.14135.8461.352-0.2720.395-3.129NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:AmortizationOfFinancingCosts ▇▇▆▅▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▂▇▇██▆▅▅0.3440.3440.2850.2510.1880.1520.1520.1520.1520.1520.1520.1520.1510.1520.150.1490.1490.1480.1480.1490.1480.1480.1410.1230.1230.120.1210.120.1210.1210.1210.120.1230.1330.1360.1360.1640.3390.3510.3610.370.2920.2740.255NA
us-gaap:DeferredIncomeTaxExpenseBenefit ▁█-1.8884.099NA1.2-1.128-2.577NA4.653.4681.4761.1492.1481.7781.1180.3353.6453.0663.225-0.0983.5521.6683.7224.9932.7133.4742.8265.0972.6383.3212.1590.8593.3652.0012.8752.4352.6393.2943.0553.1660.0230.0220.0120.2190.012NA
us-gaap:DepreciationDepletionAndAmortization ▁▁▁▂▂▂▂▂▃▆▇▆▆▆▅▅▅▅▅▄▄▄▅▄▄▃▄▄▄▄▅▄▄▄▄▄▅▅▆▇▇▇█▇▇3.8973.6613.9094.0484.0584.1464.2274.3385.0486.2337.0746.766.6916.5146.2275.9585.7995.7365.9715.6095.1055.4935.7125.4225.3145.0245.5145.1855.2815.2385.7275.1985.3525.2245.135.2875.8276.066.6026.9557.2347.1887.6537.327.291
us-gaap:IncreaseDecreaseInAccountsPayable ▅▄▃▂▆▂▅▂▄▃▆▂▄▁█▃▄▃▅▄▃▄▄▄▄▄▄▄▄▅▃▄▄▃▅▄▄▂▅▃▄▃▄▄3.81.82-2.142-8.0036.928-7.4654.241-7.221-0.719-1.4716.801-4.6682.585-9.86515.146-3.1350.291-2.2774.8530.588-1.6941.0231.2111.471-0.062-0.275-0.236-0.781-0.7283.306-2.059-0.727-0.076-2.6583.3311.233-0.392-5.3894.187-2.2821.47-1.3332.3431.495NA
us-gaap:IncreaseDecreaseInInventories ▆▅▆▅▄▅▅▁▃▅▅▅▅▅▆▆▅▆▅▆▅▄▆▆▆▄▆▅▅▅▅▆▅▅▆▅▄▅▅▁█▄▇▁0.111-0.0130.164-0.09-0.1790.004-0.143-0.879-0.525-0.121-0.058-0.045-0.005-0.0330.1370.054-0.040.0410.0370.214-0.066-0.2560.210.0870.141-0.2720.209-0.029-0.1450.036-0.0090.052-0.0870.0350.044-0.121-0.372-0.099-0.081-0.910.568-0.1750.294-0.846NA
us-gaap:NetCashProvidedByUsedInOperatingActivities █▄▄▂▁▃▄▄▅▅▇▆▆▃█▄▆▄▇▆▅▄▆▆▇▄▇▅▅▅▄▆▅▄▅▅▅▄▅▆▄▅▄▆33.13610.2358.473-3.652-9.8591.90111.3016.87112.68712.46827.43120.16322.6463.4534.74410.70724.7978.02128.0320.30714.1678.65823.7120.03926.26510.62326.6718.30916.60113.33112.32620.39416.9677.35515.18117.79517.7428.48612.90221.67210.34214.5936.66220.901NA
us-gaap:NetIncomeLoss ▂▄▃▃▁▃▄▅▄▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃█▃▃▃▃▃▃-0.82823.1812.3596.477-22.9659.01318.55949.12234.23915.4911.50310.80511.6269.75913.1479.3258.7498.37311.2749.726-11.5529.9548.7598.959.7348.5339.6788.3438.2736.4314.2627.0316.1987.0816.485.3634.6015.86592.0487.9858.134.1242.7339.9345.458
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▂▄▃▃▁▃▄▅▄▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃█▃-0.82823.1812.3596.477-22.9659.01318.55949.12234.23915.4911.50310.80511.6269.75913.1479.3258.7498.37311.2749.726-11.5529.9548.7598.959.7348.5339.6788.3438.2736.4314.2627.0316.1987.0816.485.3634.6015.86592.0487.985NANANANANA
us-gaap:ShareBasedCompensation ▆▆█▄▄▁▂▄▅▅▅▃▄▄▄▅▄▄▄▄▄▄▃▄▄▄▅▃▄▄▄▃▄▄▃▃▃▃▃▃▄▃▃▃3.3883.4725.9761.9981.511-1.537-0.4482.1762.7132.2532.3771.11.2111.351.9952.4932.081.9731.9851.7751.9021.9481.131.9411.8591.7052.8530.6491.181.1641.4181.0531.2061.1750.7021.1280.8760.791.0391.0311.1760.9730.830.761NA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▃▃▃▃▂▃█▅▂▂▂▂▁▂▂▂▂▂▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▃▃▂▂▂▂▃-1.1870.183.3761.6093.822-4.1569.33464.6632.322-1.347-3.52-8.039-6.821-13.637-7.359-7.102-5.723-6.963-6.763-18.42-3.929-3.544-12.181-8.127-9.027-3.4-4.091-4.235-6.532-6.431-7.041-2.557-4.718-2.154-9.813-2.7046.542.476-0.512-2.674-1.429-3.082-5.1460.163NA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▆▄▅▅█▄▁▃▅▄▅▅▆▄▅▄▅▄▅▅▅▄▅▅▅▄▅▅▅▅▅▄▅▅▅▅▅▅▄▅▄▅▅-35.5750.201-19.174-7.817-12.10438.101-19.283-71.803-44.614-14.25-20.756-14.003-15.9949.123-24.065-3.61-19.146-1.91-20.201-7.054-7.682-2.648-18.459-8.436-13.831-8.579-20.955-13.845-10.262-8.429-8.672-13.518-20.501-8.503-15.951-11.94-16.825-11.162-13.597-16.988-15.147-21.414-13.08-2.103NA
us-gaap:RepaymentsOfLongTermDebt ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▁▁▁▁▁▁▆▁▁▁▇▁▁▁▁▁█▁0.5070.4730.4550.5210.1880.4060.420.4970.7520.7950.7520.7860.820.8230.8550.8340.8070.8260.8220.8230.7990.7560.8580.8050.84255.8391.8971.7911.8031.7461.9091.884167.8645.0727.1518.183198.279.13713.04111.12811.04611.038251.0220.954NA
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.00.036.00843.8113.38329.1778.08924.1298.14413.27315.69117.09930.32223.88711.74232.50611.3733.9323.83255.33416.1216.2784.9123.9858.25815.2198.5963.08711.2018.4792.27211.1764.9725.470.02.3994.896.7017.5793.890.0NA
  2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value642000.0641000.0640000.01178000.01097000.01097000.01094000.01094000.01093000.01090000.01086000.01085000.01084000.01083000.01077000.01076000.01075000.01075000.01071000.01070000.01070000.01070000.01065000.01064000.01064000.01063000.01058000.01055000.01053000.01052000.01050000.01047000.01045000.01044000.01038000.01037000.01030000.01028000.01027000.01026000.01022000.01001000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.10.30.20.20.20.20.20.30.30.30.30.30.30.30.40.30.30.40.40.40.40.40.40.40.40.40.40.40.40.30.30.30.30.30.30.30.30.40.40.3

Common Stock Par Or Stated Value Per Share

us-gaap:CommonStockParOrStatedValuePerShare us-gaap:SubsequentEventType

us-gaap:CommonStockParOrStatedValuePerShare

us-gaap:SubsequentEvent


Common
Period End2020-07-01
Value0.01
Percentage of CommonStockParOrStatedValuePerShare100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value6464631171091091091091091081081081081081071071071071071071061061061061061061051051051051051041041041030.1036641021020.1026680.102546102100
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-262011-12-282010-12-29
Value646463117109109109109109108108108108108107107107107107107106106106106106106105105105105105104103102100
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100000.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value64646363555557595961616263646465687071737676768183848484858889899092920.09452894960.0959720.0964849799
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-232020-06-242020-03-252019-09-252019-06-262019-03-272018-09-262018-06-272018-03-282017-09-272017-06-282017-03-292016-09-282016-06-292016-03-302015-09-302015-07-012015-04-012014-09-242014-06-252014-03-262013-09-252013-06-262013-03-272012-09-262012-06-272012-03-282011-09-282011-06-292011-03-302010-09-292010-06-30
Value65656455586162636566666971737676788586878688909193949697970.0987461001010.101305101
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-232020-06-242020-03-252019-09-252019-06-262019-03-272018-09-262018-06-272018-03-282017-09-272017-06-282017-03-292016-09-282016-06-292016-03-302015-09-302015-07-012015-04-012014-09-242014-06-252014-03-262013-09-252013-06-262013-03-272012-09-262012-06-272012-03-282011-09-282011-06-292011-03-302010-09-292010-06-30
Value65656355565960616363646669717476778283848586889091929495960.09699798980.09957999
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-232020-06-242020-03-252019-09-252019-06-262019-03-272018-09-262018-06-272018-03-282017-09-272017-06-282017-03-292016-09-282016-06-292016-03-302015-09-302015-07-012015-04-012014-09-242014-06-252014-03-262013-09-252013-06-262013-03-272012-09-26
Value998000.0273000.0568000.03493000.01000.0274000.0630000.0630000.001000.0471000.0606000.0606000.0580000.002636000.00000252000.0606000.0573000.0331000.0331000.0331000.0116000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-0.010.360.040.1-0.410.160.320.830.570.250.190.170.180.150.20.140.130.120.160.13-0.150.130.110.110.120.10.110.10.10.070.050.080.070.080.070.060.050.060.960.080.080.040.030.1
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-0.010.350.040.1-0.410.160.310.80.550.240.180.160.180.150.190.130.120.110.150.13-0.150.130.110.110.110.10.110.10.090.070.050.080.070.070.070.060.050.060.940.080.080.040.020.1
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272011-12-282011-09-282011-06-29
Value3388000.03472000.05976000.01998000.01511000.0-1537000.0-448000.02176000.02713000.02253000.02377000.01100000.01211000.01350000.01350000.02493000.02080000.01973000.01985000.01775000.01902000.01948000.01130000.01941000.01859000.01705000.02853000.0649000.01180000.01164000.01418000.01053000.01206000.01175000.0702000.01128000.0876000.01039000.01031000.01176000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.24.37.52.83.8-1.6-0.41.81.81.51.50.70.80.91.01.91.61.51.51.41.51.60.91.61.51.42.20.61.01.01.20.91.01.00.60.90.70.80.80.9

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:PerformanceShares


Allocated
Period End2021-06-302021-03-312020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-26
Value3164000.03253000.01326000.0-1746000.0-653000.01957000.02463000.01998000.02117000.0902000.0942000.01078000.01078000.02246000.01904000.01940000.01952000.01862000.01688000.01734000.0916000.01727000.01655000.01523000.02651000.0446000.0984000.0928000.01111000.0735000.0811000.0831000.0298000.0778000.0
Percentage of AllocatedShareBasedCompensationExpense93.493.787.8113.6145.889.990.888.789.182.077.879.979.990.191.598.398.3104.988.789.081.189.089.089.392.968.783.479.778.369.867.270.742.569.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.04.03.3-1.8-0.61.61.61.31.30.60.60.70.81.71.41.51.51.51.41.40.71.41.31.32.10.40.90.81.00.60.70.70.30.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:PerformanceShares0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2021-06-302021-03-312020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-29
Value224000.0219000.0185000.0209000.0205000.0219000.0250000.0255000.0260000.0198000.0269000.0272000.0272000.0247000.0176000.033000.033000.0-87000.0214000.0214000.0214000.0214000.0204000.0182000.0202000.0203000.0196000.0184000.0182000.0182000.0811000.0831000.0298000.0778000.0531000.0443000.0521000.0512000.0729000.0
Percentage of AllocatedShareBasedCompensationExpense6.66.312.2-13.6-45.810.19.211.310.918.022.220.120.19.98.51.71.7-4.911.311.018.911.011.010.77.131.316.615.812.817.367.270.742.569.060.60.050.149.762.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.50.20.20.20.20.20.20.10.20.20.20.20.10.00.0-0.10.20.20.20.20.20.20.20.20.20.20.20.20.70.70.30.60.40.30.40.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:TitleOfIndividual

denn:CertainEmployees


Allocated
Period End2020-09-232020-06-242019-09-252019-06-26
Value1784000.01326000.01957000.02463000.0
Percentage of AllocatedShareBasedCompensationExpense89.387.889.990.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.53.31.61.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax denn:CertainEmployees0.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:TitleOfIndividual, us-gaap:AwardType

denn:BoardMembers, us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2020-09-232020-06-242019-09-252019-06-26
Value214000.0185000.0219000.0250000.0
Percentage of AllocatedShareBasedCompensationExpense10.712.210.19.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax denn:BoardMembers us-gaap:RestrictedStockUnitsRSU0.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-30
Value-0.578263.1597.489-18.55-23.6592634233.3374.81615156.668149.5487.2197.764199.7717.0525.274105.673136.9832.2148.6437.8856.223106.5748.7937.3355.495.6314.8696.133867.9858.134.124
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.532.63.910.5-46.2-24.523.327.515.62.23.09.79.54.310.47.25.46.115.27.65.74.28.74.610.85.81.77.46.95.68.85.67.56.44.74.73.94.866.45.86.03.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value877581685378875610512713913913813811611311611111311012910610910810510411210299100106103103101104109105112118122122124121122122
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax82.893.2101.395.5133.781.376.745.169.684.187.688.387.989.486.186.087.287.387.686.3103.985.488.187.385.987.387.387.487.089.993.188.589.288.389.890.384.889.090.989.889.991.50.087.990.4

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-28
Value5000.0-8000.06000.026000.0-25000.0116000.01000.073000.067000.039000.09000.0000
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.00.0-0.10.10.00.10.00.00.00.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value17162013137.742151618181515151615161617171716161616161617131414131314151514141513131414151413
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.521.025.519.132.88.013.513.212.112.49.810.19.910.711.712.412.413.713.313.713.013.613.612.913.614.113.411.512.312.612.211.712.113.213.112.211.912.410.69.810.410.40.010.39.7

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value-2.032312.2977.295-28.039112364412012131411151413131315-7.72815121215131412139.055.366118.735108.978.5647.8089.7527.0758.3918.5384.3233.104105.82
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.938.82.910.2-69.811.720.851.827.013.38.08.69.07.511.311.110.310.310.211.7-6.212.410.110.312.411.011.110.611.38.14.79.77.59.37.77.16.37.75.46.16.33.20.07.44.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value-1.2048.104-0.0620.818-5.0742.3195.086156.7674.6571.342.812.5781.8292.1045.4294.934.7441.8955.2773.8245.4783.7323.8545.4994.6684.5724.1154.732.6191.1044.3182.5373.5692.493.2013.2073.887-84.9730.4060.4080.1990.3710.4190.362
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.110.1-0.11.1-12.62.44.512.34.53.10.81.81.61.21.64.13.73.71.54.13.14.43.03.14.53.93.63.54.12.31.03.72.23.12.12.62.63.1-65.30.30.30.10.00.30.3

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value1.5210.421-0.5390.2680.0530.2246.2945.861110.3670.9070.8521.0720.4231.3282.3712.2730.3951.8720.2020.6270.3110.4480.7563.8620.2980.7321.430.820.820.9460.4960.9920.3430.1690.51.1520.2130.1360.251
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.40.5-0.70.40.10.25.54.77.70.20.60.50.70.31.01.81.70.31.40.20.50.20.40.63.10.20.61.20.70.70.80.40.90.30.10.40.90.20.10.2

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value4.0664.2774.6454.4224.9473.9513.574.1885.3825.4075.4215.3145.3854.6254.2924.0673.743.5413.3273.1173.0142.7742.6052.3272.2642.0872.3022.2842.2742.3222.4822.4522.5482.82.8323.0882.9934.456-4.65-4.796-4.9015.693-6.486-6.394-6.514
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.85.35.86.212.34.13.13.43.53.63.43.43.43.03.23.12.82.82.62.42.42.22.11.91.81.71.82.02.02.12.22.12.22.42.42.62.43.5-3.6-3.5-3.64.20.0-4.6-4.8

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-26
Value3.7354.7434.0383.7944.4613.5963.3994.1635.1635.0675.098
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.55.95.05.311.13.73.03.43.43.33.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value-0.828232.3596.477-22.9659.013184934151110119.759139.3258.7498.373119.726-11.5529.9548.7598.959.7348.5339.6788.3438.2736.4314.2627.0316.1987.0816.485.3634.6015.865927.9858.134.1242.7339.9345.458
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.828.82.99.0-57.29.316.339.522.510.27.26.87.46.39.77.06.66.58.77.6-9.38.07.17.27.97.17.57.17.25.73.76.05.36.25.64.43.74.670.75.86.03.00.07.14.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value-0.828232.3596.477-22.9659.013184934151110119.759139.3258.7498.373119.726-11.5529.9548.7598.959.7348.5339.6788.3438.2736.4314.2627.0316.1987.0816.485.3634.6015.865927.985
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.828.82.99.0-57.29.316.339.522.510.27.26.87.46.39.77.06.66.58.77.6-9.38.07.17.27.97.17.57.17.25.73.76.05.36.25.64.43.74.670.75.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses

us-gaap:OperatingCostsAndExpenses


Operating
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-27
Value37303127193640547984878786868381
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.637.439.338.248.837.435.343.752.655.654.855.655.055.961.961.4

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value185.514-1.083.24-13.527182668462419181816181817161617-4.8331814151715161414117.9311312131111181311131311141612
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.26.8-1.34.5-33.718.723.354.930.415.912.411.712.110.613.914.012.812.712.413.7-3.914.611.912.714.112.712.712.613.010.16.911.510.811.710.29.715.211.09.110.210.18.50.012.19.6

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value-16.251308.0228.477-9.565-2.7630.6520.4150.2731.423-1.4960.460.629-0.2120.690.2860.410.3570.4740.5430.119-0.0270.399-0.5920.083-0.0290.1470.0330.3320.1-0.0830.276-1.331-0.0010.015-0.038-8.1980.2950.0810.780.268-1.4784.5360.1880.57
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.337.310.011.8-23.8-2.90.60.30.20.9-0.90.30.4-0.10.50.20.30.30.40.40.1-0.00.3-0.50.1-0.00.10.00.30.1-0.10.2-1.1-0.00.0-0.0-6.60.20.10.60.2-1.10.00.10.4

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value1068080714096113124151151159158157155135132133127129128124124124123123120128117114111114117116114115120124126130136135135135139135
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:Advertising


Revenue
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value181415137.2321721201918
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.517.518.819.418.018.118.916.713.112.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.517.518.819.418.018.118.916.713.112.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Advertising100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Franchise


Revenue
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-29
Value584747432554656056525554545435343534
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax55.258.358.961.162.356.357.148.837.234.934.634.434.734.826.026.026.326.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax55.258.358.961.162.356.357.148.837.234.934.634.434.734.826.026.026.326.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Franchise100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FranchisorOwnedOutlet


Revenue
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-29
Value47333227154248639598104103102101100979893
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.841.741.138.937.743.742.951.262.865.165.465.665.365.274.074.073.773.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.841.741.138.937.743.742.951.262.865.165.465.665.365.274.074.073.773.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FranchisorOwnedOutlet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:License


Revenue
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value2.0661.8382.3991.891.3461.6972.2911.3561.7551.139
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.33.02.63.41.82.01.11.20.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.33.02.63.41.82.01.11.20.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:License100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Occupancy


Revenue
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value101010109.7361112108.1267.545
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.212.713.414.124.211.710.68.65.45.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.212.713.414.124.211.710.68.65.45.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Occupancy100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Royalty


Revenue
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value272019176.7192329272625
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.525.923.825.016.724.725.522.417.616.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.525.923.825.016.724.725.522.417.616.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Royalty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value1068080714096113124151151159158157155135132133127129128124124124123123120128117114111114117116114115120124126130136135135135139135
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value418422430450468484460441438422335328334333323309306308306297293288297289285281289284284287295299301311324325328336350280286311
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value517524561589686684598560581562468438452455421406386372377351345346357297282277288281284281287299298309329325331338360376386414
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets123.8124.1130.3130.7146.4141.4130.0126.9132.5133.2139.8133.5135.2136.4130.1131.6126.0121.0123.2118.1118.0119.9120.4102.699.098.699.599.1100.098.097.199.999.299.4101.499.8100.8100.8102.8134.0134.7133.3

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value418422430450468484460441438422335328334333323309306308306297293288297289285281289284284287295299301311324325328336350280286311
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value-99.423-102.072-130.446-138.371-217.507-200.492-138.064-118.746-142.572-140.221-133.345-109.98-117.877-121.415-97.36-97.597-79.899-64.682-71.112-53.752-52.657-57.427-60.595-7.5482.7143.9031.5832.427-0.0145.7428.4310.3852.461.819-4.460.563-2.772-2.645-9.676-95.479-99.523-103.712-127.498-179.434
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-23.8-24.1-30.3-30.7-46.4-41.4-30.0-26.9-32.5-33.2-39.8-33.5-35.2-36.4-30.1-31.6-26.0-21.0-23.2-18.1-18.0-19.9-20.4-2.61.01.40.50.9-0.02.02.90.10.80.6-1.40.2-0.8-0.8-2.8-34.0-34.7-33.30.00.0

us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

denn:DedesignatedInterestRateSwaps, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-30
Value-64.2
Percentage of StockholdersEquity64.6
Percentage of Assets-15.3
Percentage of Assets denn:DedesignatedInterestRateSwaps us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.0

denn:InterestRateHedges2018, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-03-312020-12-30
Value-64.2-64.4
Percentage of StockholdersEquity62.949.4
Percentage of Assets-15.2-14.9
Percentage of Assets denn:InterestRateHedges2018 us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.0

denn:TwoThousandEighteenSwaps, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2020-09-232020-06-24
Value-64.6-65.1
Percentage of StockholdersEquity46.729.9
Percentage of Assets-14.3-13.9
Percentage of Assets denn:TwoThousandEighteenSwaps us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252018-12-262017-12-272016-12-28
Value-0.919-0.948-0.978-0.731-0.748-0.764-0.781-0.779-0.827-0.982-0.945
Percentage of StockholdersEquity0.90.90.70.50.30.40.60.70.61.01.3
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-262017-12-27
Value-56.161-56.382-59.427-60.474-61.469-65.868-33.179-3.319-1.334
Percentage of StockholdersEquity56.555.245.643.728.332.924.02.51.4
Percentage of Assets-13.4-13.3-13.8-13.4-13.1-13.6-7.2-1.0-0.4
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value-57.08-57.33-60.405-61.205-62.217-66.632-33.96-41.907-26.913-16.299-4.1462.541-2.017-5.407-2.316-3.323-3.546-2.016-1.407-9.808-9.853-28.457-23.777-25.846-22.569-26.152-24.602-17.138-17.438-17.05-16.842-22.607-22.15-24.745-24.999-24.009-24.277-24.545-24.813-19.199-19.199-19.199-18.213-24.921
Percentage of StockholdersEquity57.456.246.344.228.633.224.635.318.911.63.1-2.31.74.52.43.44.43.12.018.218.749.639.2342.4-831.6-670.0-1554.1-706.1124557.1-296.9-199.8-5871.9-900.4-1360.4560.5-4264.5875.8928.0256.420.119.318.514.313.9
Percentage of Assets-13.6-13.6-14.0-13.6-13.3-13.8-7.4-9.5-6.1-3.9-1.20.8-0.6-1.6-0.7-1.1-1.2-0.7-0.5-3.3-3.4-9.9-8.0-8.9-7.9-9.3-8.5-6.0-6.1-5.9-5.7-7.5-7.3-7.9-7.7-7.4-7.4-7.3-7.1-6.8-6.7-6.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value129125123672600599603604601598592597596595594591589587577582568567565575573572571570568567567566564563562561559558557555554548542538
Percentage of StockholdersEquity-129.9-123.4-94.9-486.0-276.3-299.0-437.5-509.0-422.2-427.1-444.7-543.1-505.8-490.1-610.3-606.3-737.6-908.1-812.7-1084.4-1080.0-987.6-933.0-7624.621138.914658.236113.323514.8-4063850.09886.66731.2147108.822958.430977.6-12615.699762.9-20171.7-21107.5-5760.6-582.2-557.6-528.9-425.6-300.3
Percentage of Assets30.929.828.7149.2128.2123.8131.2136.9137.2141.8176.8181.7178.2178.4183.5191.4192.0190.6188.8195.8193.9196.4190.3198.7201.2203.6197.2200.8200.2197.3191.9188.8187.4181.0173.2172.4170.0166.0159.0198.1193.6176.20.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value0.6420.6410.641.1781.0971.0971.0941.0941.0931.091.0861.0851.0841.0831.0771.0761.0751.0751.0711.071.071.071.0651.0641.0641.0631.0581.0551.0531.0521.051.0471.0451.0441.0381.0371.031.0281.0271.0261.0221.0010.9660.957
Percentage of StockholdersEquity-0.6-0.6-0.5-0.9-0.5-0.5-0.8-0.9-0.8-0.8-0.8-1.0-0.9-0.9-1.1-1.1-1.3-1.7-1.5-2.0-2.0-1.9-1.8-14.139.227.266.843.5-7521.418.312.5271.942.557.4-23.3184.2-37.2-38.9-10.6-1.1-1.0-1.0-0.8-0.5
Percentage of Assets0.20.20.10.30.20.20.20.20.20.30.30.30.30.30.30.30.40.30.30.40.40.40.40.40.40.40.40.40.40.40.40.30.30.30.30.30.30.30.30.40.40.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value-172.161-171.333-194.514-196.873-203.35-180.385-189.398-207.957-257.079-291.318-306.414-317.917-328.722-340.348-334.661-347.976-357.301-366.05-382.843-394.117-403.843-392.291-402.245-411.004-419.954-429.688-438.221-447.899-456.242-464.515-470.946-475.208-482.239-488.437-495.518-501.998-507.361-511.962-517.827-609.875-617.86-630.114-652.827-694.381
Percentage of StockholdersEquity173.2167.9149.1142.393.590.0137.2175.1180.3207.8229.8289.1278.9280.3343.7356.5447.2565.9538.4733.2766.9683.1663.85445.2-15473.6-11009.2-27682.9-18454.83258871.4-8089.8-5585.9-123430.6-19603.2-26852.011110.3-89164.818303.119355.85351.7638.8620.8607.6512.0387.0
Percentage of Assets-41.2-40.5-45.1-43.7-43.4-37.3-41.1-47.1-58.6-69.0-91.4-96.7-98.3-102.0-103.4-112.5-116.4-118.8-125.1-132.4-137.7-135.8-135.4-141.9-147.3-152.9-151.2-157.6-160.5-161.4-159.2-158.5-160.0-156.9-152.5-154.1-154.3-152.3-147.7-217.3-215.5-202.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value-553.973-553.973-553.973-519.78-474.382-461.575-432.519-416.815-393.033-384.47-371.812-355.626-339.147-309.478-285.06-265.884-233.761-208.728-204.905-201.002-147.268-129.538-113.429-108.326-104.296-96.326-81.433-72.336-69.216-58.973-49.526-47.638-36.132-31.324-25.459-25.459-23.283-18.465-3.890.00.0
Percentage of StockholdersEquity400.4254.7276.3376.5399.5323.7308.5312.6357.4326.2306.2365.3347.5387.3440.7373.9434.9396.4356.8331.71951.1-4773.0-2906.2-6843.1-4297.3688042.9-1418.2-858.0-17978.2-2397.3-2722.71068.1-6417.81130.0962.5263.124.418.63.8-0.0-0.0
Percentage of Assets-122.9-118.2-114.4-112.9-107.5-105.2-102.4-124.3-119.6-114.9-111.5-109.8-109.7-100.8-92.5-86.8-78.5-71.2-70.9-67.7-50.8-45.4-40.4-37.4-36.7-33.9-28.3-24.5-23.1-19.6-15.9-14.7-11.1-9.5-7.6-7.3-8.3-6.4-1.20.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value485348576371523957494734373541302831352530303655514956474546535047566468645861444362
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.612.711.312.713.414.811.58.813.111.614.210.511.310.712.89.99.110.311.78.710.410.612.319.318.017.619.316.616.016.318.216.815.818.119.920.919.517.517.515.815.120.1

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262017-12-272016-12-28
Value10143.8921121393.3722.022.2921.8975.0264.9832.592
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.63.40.92.54.58.10.70.50.50.41.51.50.8

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


Marketable
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262017-12-27
Value2069000.02064000.02272000.02266000.02240000.05165000.03649000.03188000.03115000.03048000.01709000.01709000.00
Percentage of MarketableSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.50.50.50.50.51.10.80.70.70.70.50.50.0

us-gaap:MarketableSecuritiesCurrent us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Marketable
Period End2020-12-302019-12-252018-12-26
Value2200000.03500000.01700000.0
Percentage of MarketableSecuritiesCurrent96.895.999.5
Percentage of Assets0.50.80.5
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Marketable
Period End2020-12-302019-12-252018-12-26
Value2300000.03600000.01700000.0
Percentage of MarketableSecuritiesCurrent101.298.799.5
Percentage of Assets0.50.80.5
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.0

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value202021201915271918182617181921171618191414131613131418141314171416161913131214131517
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.94.95.04.64.13.16.04.54.24.37.85.25.75.86.65.65.56.16.54.84.84.85.64.64.85.06.25.24.94.95.94.75.45.46.14.24.23.74.34.85.65.6

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value1280000.01169000.01181000.01017000.01107000.01202000.01325000.01468000.02347000.02872000.02993000.03051000.03096000.03101000.03134000.02998000.03047000.03088000.03046000.03009000.02796000.02861000.03117000.02908000.02820000.02680000.02952000.02743000.02772000.02916000.02881000.02890000.02839000.02925000.02890000.02846000.02967000.03339000.03438000.03520000.03644000.04037000.0
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.20.20.20.30.30.50.70.90.90.90.91.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.00.90.90.90.90.91.01.01.31.31.3

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value1213181817101411157.9621010129.048118.5735.8216.2779.4087.176.8949.566148.0356.6656.8557.6766.3295.0685.947.4176.1114.6836.1848.4017.3375.5248.237119.9791010
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.93.24.44.23.72.23.32.53.61.93.23.23.62.73.62.81.92.03.12.42.43.34.82.82.32.42.62.21.82.12.52.01.62.02.62.31.72.43.23.63.53.3

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272011-12-282011-09-282011-06-292010-12-29
Value149146146147149151147153160189226248245245243243239255255252251250247250251254255253252253255251252252250249232241239248247
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.734.734.032.731.831.232.034.736.645.067.675.573.473.675.278.678.182.883.485.085.686.683.586.488.290.688.089.188.888.086.583.983.781.277.076.670.768.885.586.879.5

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value363636363636363637383939393938373635353533333331313131313131313131313130303030313131
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.88.78.68.27.97.68.08.48.59.011.912.111.911.911.812.211.811.611.511.811.511.711.311.011.011.210.911.111.110.910.610.510.410.19.79.39.39.18.811.110.910.1

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value505151525253535455565959606157565654545348464646454546464747474848484849495050505052
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.212.112.011.611.211.011.712.412.713.417.618.218.218.517.618.118.417.817.818.116.616.015.516.016.016.416.016.416.616.516.216.216.115.515.115.115.115.014.517.817.716.7

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-302019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292015-12-302014-12-312013-12-252012-12-262011-12-28
Value231421202017151922161721231723262943516576
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.43.24.94.84.95.24.75.86.75.25.87.17.75.87.89.19.815.017.420.221.7

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-26
Value135135139145149152158143115940.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets32.331.932.432.231.831.634.432.526.322.30.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value333232303130323336312932313027272727272525242423272525262626262728252524302828282830
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.07.77.66.76.76.37.17.58.37.58.710.09.49.08.58.88.88.99.18.78.68.68.38.29.89.18.89.29.19.19.09.19.58.27.77.69.38.68.110.010.19.8

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value141012101812201725282920262532192121251414152013121613161415141718192417171725202325
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.42.52.82.44.02.54.44.05.86.88.86.27.87.610.06.17.06.88.35.04.95.57.04.74.35.84.65.85.05.54.85.76.16.27.55.45.25.37.47.28.18.3

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-25
Value1946000.01972000.01997000.02112000.02112000.02179000.02235000.0
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.50.50.5

us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:ProductOrService

denn:GiftCardRedemption


Contract
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-26
Value5600000.05500000.06100000.04800000.05000000.04800000.06500000.06500000.0
Percentage of ContractWithCustomerLiabilityCurrent287.8278.9305.5227.3236.7220.3290.80.0
Percentage of Assets1.31.31.41.11.11.01.41.9
Percentage of Assets denn:GiftCardRedemption0.00.00.00.00.00.00.00.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value8775777276669587989994778280947681779373757910174696980746669747473799185847587848390
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.917.917.916.116.413.620.819.922.523.628.223.624.624.129.324.626.525.030.524.825.627.534.225.624.524.627.726.123.624.225.024.824.525.528.326.225.722.324.930.129.029.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-26
Value161616181816161616170.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets3.93.83.94.03.93.43.63.83.94.00.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value554746413735575153506153535159535652645557607757544959504546525048465453505054575257
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.211.210.89.28.07.412.411.712.312.018.416.415.915.518.317.418.417.121.218.719.620.926.119.719.117.620.517.715.916.217.816.715.914.916.816.515.514.915.520.318.518.5

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312013-12-252012-12-262011-12-28
Value5283000.04469000.04850000.06595000.04912000.04653000.05624000.07143000.06715000.07173000.07667000.09358000.07812000.07422000.07384000.08880000.07683000.07192000.07407000.08958000.07405000.07038000.07311000.08518000.06832000.07091000.07129000.06258000.06157000.06904000.0
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.11.11.51.01.01.21.61.51.72.32.82.32.22.32.92.52.32.43.02.52.42.52.92.42.52.52.11.92.0

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LiabilitiesNoncurrent


Liabilities
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value430449484516609618502472482462373361370374326330305295283277270266256223212208207207217212213225225230237239247263272291302324
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets102.8106.2112.4114.6130.0127.8109.2107.0110.0109.6111.5109.9110.6112.3100.8107.099.696.092.793.292.492.386.277.074.574.071.773.176.573.872.175.174.774.073.173.675.278.577.9103.9105.7104.3

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value180215210230307318240213271283286278282282259261235230218203198201195150142135135148157152150152153156161166171185193205214234
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets43.050.848.751.065.565.752.148.361.867.185.484.684.384.580.084.776.674.671.468.267.569.665.651.849.848.246.952.355.652.950.750.851.050.449.751.052.055.255.173.174.975.2

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-26
Value225256317289245215158173190
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.355.794.689.380.272.654.858.558.5

Deferred Finance Costs Noncurrent Net

us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:DeferredFinanceCostsNoncurrentNet


Deferred
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value1727000.02071000.02414000.02119000.02369000.01575000.01727000.01879000.02031000.02183000.02335000.02487000.02638000.02790000.02942000.01491000.01639000.01787000.01936000.02084000.02232000.02381000.02529000.02220000.02338000.02451000.01614000.01734000.01855000.01976000.02097000.02216000.02333000.01917000.02041000.02177000.02300000.05414000.05884000.06457000.07010000.05286000.0
Percentage of DeferredFinanceCostsNoncurrentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.50.60.50.50.30.40.40.50.50.70.80.80.80.90.50.50.60.60.70.80.80.90.80.80.90.60.60.70.70.70.70.80.60.60.70.71.61.72.32.41.7

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value223254313286242212151165177211
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.955.393.588.379.171.552.156.154.660.3

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2020-12-302019-12-252018-12-262017-12-27
Value1.5811.6751.8092.328
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0
Percentage of Assets0.40.40.50.7

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value9478112120130124839471574843475127292926263837332739374038252626293838404239424343353739
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.518.526.226.727.925.818.221.316.213.614.313.314.315.58.69.49.68.78.712.812.911.59.313.713.214.213.49.19.49.29.813.012.813.012.912.212.812.812.312.713.112.6

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-26
Value132133137142146149152137107840.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets31.831.531.931.531.230.833.231.124.519.90.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-30
Value22
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets5.2

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-30
Value20
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets4.7

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-30
Value18
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets4.3

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-30
Value17
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets4.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-30
Value106
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets24.6

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-302019-12-252019-09-252019-06-262019-03-272018-12-27
Value154169153124101101
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets35.836.734.928.324.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-30
Value209
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets48.7

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-30
Value55
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets12.9

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value-99.423-102.072-130.446-138.371-217.507-200.492-138.064-118.746-142.572-140.221-133.345-109.98-117.877-121.415-97.36-97.597-79.899-64.682-71.112-53.752-52.657-57.427-60.595-7.5482.7143.9031.5832.427-0.0145.7428.4310.3852.461.819-4.460.563-2.772-2.645-9.676-95.479-99.523-103.712-127.498-179.434
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-23.8-24.1-30.3-30.7-46.4-41.4-30.0-26.9-32.5-33.2-39.8-33.5-35.2-36.4-30.1-31.6-26.0-21.0-23.2-18.1-18.0-19.9-20.4-2.61.01.40.50.9-0.02.02.90.10.80.6-1.40.2-0.8-0.8-2.8-34.0-34.7-33.30.00.0

us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

denn:DedesignatedInterestRateSwaps, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-30
Value-64.2
Percentage of StockholdersEquity64.6
Percentage of Assets-15.3
Percentage of Assets denn:DedesignatedInterestRateSwaps us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.0

denn:InterestRateHedges2018, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-03-312020-12-30
Value-64.2-64.4
Percentage of StockholdersEquity62.949.4
Percentage of Assets-15.2-14.9
Percentage of Assets denn:InterestRateHedges2018 us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.0

denn:TwoThousandEighteenSwaps, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2020-09-232020-06-24
Value-64.6-65.1
Percentage of StockholdersEquity46.729.9
Percentage of Assets-14.3-13.9
Percentage of Assets denn:TwoThousandEighteenSwaps us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252018-12-262017-12-272016-12-28
Value-0.919-0.948-0.978-0.731-0.748-0.764-0.781-0.779-0.827-0.982-0.945
Percentage of StockholdersEquity0.90.90.70.50.30.40.60.70.61.01.3
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-262017-12-27
Value-56.161-56.382-59.427-60.474-61.469-65.868-33.179-3.319-1.334
Percentage of StockholdersEquity56.555.245.643.728.332.924.02.51.4
Percentage of Assets-13.4-13.3-13.8-13.4-13.1-13.6-7.2-1.0-0.4
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value-57.08-57.33-60.405-61.205-62.217-66.632-33.96-41.907-26.913-16.299-4.1462.541-2.017-5.407-2.316-3.323-3.546-2.016-1.407-9.808-9.853-28.457-23.777-25.846-22.569-26.152-24.602-17.138-17.438-17.05-16.842-22.607-22.15-24.745-24.999-24.009-24.277-24.545-24.813-19.199-19.199-19.199-18.213-24.921
Percentage of StockholdersEquity57.456.246.344.228.633.224.635.318.911.63.1-2.31.74.52.43.44.43.12.018.218.749.639.2342.4-831.6-670.0-1554.1-706.1124557.1-296.9-199.8-5871.9-900.4-1360.4560.5-4264.5875.8928.0256.420.119.318.514.313.9
Percentage of Assets-13.6-13.6-14.0-13.6-13.3-13.8-7.4-9.5-6.1-3.9-1.20.8-0.6-1.6-0.7-1.1-1.2-0.7-0.5-3.3-3.4-9.9-8.0-8.9-7.9-9.3-8.5-6.0-6.1-5.9-5.7-7.5-7.3-7.9-7.7-7.4-7.4-7.3-7.1-6.8-6.7-6.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value129125123672600599603604601598592597596595594591589587577582568567565575573572571570568567567566564563562561559558557555554548542538
Percentage of StockholdersEquity-129.9-123.4-94.9-486.0-276.3-299.0-437.5-509.0-422.2-427.1-444.7-543.1-505.8-490.1-610.3-606.3-737.6-908.1-812.7-1084.4-1080.0-987.6-933.0-7624.621138.914658.236113.323514.8-4063850.09886.66731.2147108.822958.430977.6-12615.699762.9-20171.7-21107.5-5760.6-582.2-557.6-528.9-425.6-300.3
Percentage of Assets30.929.828.7149.2128.2123.8131.2136.9137.2141.8176.8181.7178.2178.4183.5191.4192.0190.6188.8195.8193.9196.4190.3198.7201.2203.6197.2200.8200.2197.3191.9188.8187.4181.0173.2172.4170.0166.0159.0198.1193.6176.20.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value0.6420.6410.641.1781.0971.0971.0941.0941.0931.091.0861.0851.0841.0831.0771.0761.0751.0751.0711.071.071.071.0651.0641.0641.0631.0581.0551.0531.0521.051.0471.0451.0441.0381.0371.031.0281.0271.0261.0221.0010.9660.957
Percentage of StockholdersEquity-0.6-0.6-0.5-0.9-0.5-0.5-0.8-0.9-0.8-0.8-0.8-1.0-0.9-0.9-1.1-1.1-1.3-1.7-1.5-2.0-2.0-1.9-1.8-14.139.227.266.843.5-7521.418.312.5271.942.557.4-23.3184.2-37.2-38.9-10.6-1.1-1.0-1.0-0.8-0.5
Percentage of Assets0.20.20.10.30.20.20.20.20.20.30.30.30.30.30.30.30.40.30.30.40.40.40.40.40.40.40.40.40.40.40.40.30.30.30.30.30.30.30.30.40.40.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value-172.161-171.333-194.514-196.873-203.35-180.385-189.398-207.957-257.079-291.318-306.414-317.917-328.722-340.348-334.661-347.976-357.301-366.05-382.843-394.117-403.843-392.291-402.245-411.004-419.954-429.688-438.221-447.899-456.242-464.515-470.946-475.208-482.239-488.437-495.518-501.998-507.361-511.962-517.827-609.875-617.86-630.114-652.827-694.381
Percentage of StockholdersEquity173.2167.9149.1142.393.590.0137.2175.1180.3207.8229.8289.1278.9280.3343.7356.5447.2565.9538.4733.2766.9683.1663.85445.2-15473.6-11009.2-27682.9-18454.83258871.4-8089.8-5585.9-123430.6-19603.2-26852.011110.3-89164.818303.119355.85351.7638.8620.8607.6512.0387.0
Percentage of Assets-41.2-40.5-45.1-43.7-43.4-37.3-41.1-47.1-58.6-69.0-91.4-96.7-98.3-102.0-103.4-112.5-116.4-118.8-125.1-132.4-137.7-135.8-135.4-141.9-147.3-152.9-151.2-157.6-160.5-161.4-159.2-158.5-160.0-156.9-152.5-154.1-154.3-152.3-147.7-217.3-215.5-202.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-292009-12-302008-12-31
Value-553.973-553.973-553.973-519.78-474.382-461.575-432.519-416.815-393.033-384.47-371.812-355.626-339.147-309.478-285.06-265.884-233.761-208.728-204.905-201.002-147.268-129.538-113.429-108.326-104.296-96.326-81.433-72.336-69.216-58.973-49.526-47.638-36.132-31.324-25.459-25.459-23.283-18.465-3.890.00.0
Percentage of StockholdersEquity400.4254.7276.3376.5399.5323.7308.5312.6357.4326.2306.2365.3347.5387.3440.7373.9434.9396.4356.8331.71951.1-4773.0-2906.2-6843.1-4297.3688042.9-1418.2-858.0-17978.2-2397.3-2722.71068.1-6417.81130.0962.5263.124.418.63.8-0.0-0.0
Percentage of Assets-122.9-118.2-114.4-112.9-107.5-105.2-102.4-124.3-119.6-114.9-111.5-109.8-109.7-100.8-92.5-86.8-78.5-71.2-70.9-67.7-50.8-45.4-40.4-37.4-36.7-33.9-28.3-24.5-23.1-19.6-15.9-14.7-11.1-9.5-7.6-7.3-8.3-6.4-1.20.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value642000.0641000.0640000.01178000.01097000.01097000.01094000.01094000.01093000.01090000.01086000.01085000.01084000.01083000.01077000.01076000.01075000.01075000.01071000.01070000.01070000.01070000.01065000.01064000.01064000.01063000.01058000.01055000.01053000.01052000.01050000.01047000.01045000.01044000.01038000.01037000.01030000.01028000.01027000.01026000.01022000.01001000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.10.30.20.20.20.20.20.30.30.30.30.30.30.30.40.30.30.40.40.40.40.40.40.40.40.40.40.40.40.30.30.30.30.30.30.30.30.40.40.3

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value129125123672600599603604601598592597596595594591589587577582568567565575573572571570568567567566564563562561559558557555554548
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.929.828.7149.2128.2123.8131.2136.9137.2141.8176.8181.7178.2178.4183.5191.4192.0190.6188.8195.8193.9196.4190.3198.7201.2203.6197.2200.8200.2197.3191.9188.8187.4181.0173.2172.4170.0166.0159.0198.1193.6176.2

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value-172.161-171.333-194.514-196.873-203.35-180.385-189.398-207.957-257.079-291.318-306.414-317.917-328.722-340.348-334.661-347.976-357.301-366.05-382.843-394.117-403.843-392.291-402.245-411.004-419.954-429.688-438.221-447.899-456.242-464.515-470.946-475.208-482.239-488.437-495.518-501.998-507.361-511.962-517.827-609.875-617.86-630.114
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-41.2-40.5-45.1-43.7-43.4-37.3-41.1-47.1-58.6-69.0-91.4-96.7-98.3-102.0-103.4-112.5-116.4-118.8-125.1-132.4-137.7-135.8-135.4-141.9-147.3-152.9-151.2-157.6-160.5-161.4-159.2-158.5-160.0-156.9-152.5-154.1-154.3-152.3-147.7-217.3-215.5-202.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value-57080000.0-57330000.0-60405000.0-61205000.0-62217000.0-66632000.0-33960000.0-41907000.0-26913000.0-16299000.0-4146000.02541000.0-2017000.0-5407000.0-2316000.0-3323000.0-3546000.0-2016000.0-1407000.0-9808000.0-9853000.0-28457000.0-23777000.0-25846000.0-22569000.0-26152000.0-24602000.0-17138000.0-17438000.0-17050000.0-16842000.0-22607000.0-22150000.0-24745000.0-24999000.0-24009000.0-24277000.0-24545000.0-24813000.0-19199000.0-19199000.0-19199000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-13.6-13.6-14.0-13.6-13.3-13.8-7.4-9.5-6.1-3.9-1.20.8-0.6-1.6-0.7-1.1-1.2-0.7-0.5-3.3-3.4-9.9-8.0-8.9-7.9-9.3-8.5-6.0-6.1-5.9-5.7-7.5-7.3-7.9-7.7-7.4-7.4-7.3-7.1-6.8-6.7-6.2

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value553553553519474461432416393384371355339309285265233208204201147129113108104968172695849473631252523183.89
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets122.9118.2114.4112.9107.5105.2102.4124.3119.6114.9111.5109.8109.7100.892.586.878.571.270.967.750.845.440.437.436.733.928.324.523.119.615.914.711.19.57.67.38.36.41.2

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2020-12-302020-09-23
Value0.069
Percentage of StockIssuedDuringPeriodValueNewIssues0.0100.0
Percentage of Assets0.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-302020-09-23
Value0.069
Percentage of StockIssuedDuringPeriodValueNewIssues0.099.9
Percentage of Assets0.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.0

us-gaap:CommonStock


Stock
Period End2020-12-302020-09-23
Value0.00.08
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.1
Percentage of Assets0.00.0
Percentage of Assets us-gaap:CommonStock0.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value3227000.02002000.04551000.01930000.01469000.0-4576000.0-431000.02089000.02637000.0-985000.02197000.01052000.01180000.0-104000.01912000.02385000.01977000.01857000.01378000.01224000.01492000.01496000.01037000.01302000.01132000.0-43000.0737000.0422000.0770000.0416000.0444000.0774000.0833000.0241000.0574000.0448000.0634000.0426000.0818000.0705000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value3227000.02002000.04551000.01930000.01469000.0-4576000.0-431000.02089000.02637000.0-985000.02197000.01052000.01180000.0-104000.01912000.02385000.01977000.01857000.01378000.01224000.01492000.01496000.01037000.01302000.01132000.0-43000.0737000.0422000.0770000.0416000.0444000.0774000.0833000.0241000.0574000.0448000.0634000.0426000.0818000.0705000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value33108.473-3.652-9.8591.901116.87112122720223.453410248.0212820148.65823202610261816131220167.3551517178.486122110146.66220
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.212.710.6-5.1-24.52.09.95.58.48.217.212.814.42.225.68.118.66.321.615.811.46.919.116.221.38.820.715.614.511.910.817.414.66.413.114.714.26.79.915.97.610.74.914.9

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-1.1870.183.3761.6093.822-4.1569.3346432-1.347-3.52-8.039-6.821-13.637-7.359-7.102-5.723-6.963-6.763-18.42-3.929-3.544-12.181-8.127-9.027-3.4-4.091-4.235-6.532-6.431-7.041-2.557-4.718-2.154-9.813-2.7046.542.476-0.512-2.674-1.429-3.082-5.1460.163
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.10.24.22.29.5-4.38.252.021.3-0.9-2.2-5.1-4.3-8.8-5.4-5.4-4.3-5.4-5.2-14.3-3.2-2.8-9.8-6.6-7.3-2.8-3.2-3.6-5.7-5.7-6.2-2.2-4.0-1.9-8.5-2.25.22.0-0.4-2.0-1.1-2.3-3.80.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-35.5750.201-19.174-7.817-12.10438-19.283-71.803-44.614-14.25-20.756-14.003-15.9949.123-24.065-3.61-19.146-1.91-20.201-7.054-7.682-2.648-18.459-8.436-13.831-8.579-20.955-13.845-10.262-8.429-8.672-13.518-20.501-8.503-15.951-11.94-16.825-11.162-13.597-16.988-15.147-21.414-13.08-2.103
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-33.50.2-23.9-10.9-30.139.4-16.9-57.8-29.4-9.4-13.0-8.9-10.25.9-17.8-2.7-14.4-1.5-15.6-5.5-6.2-2.1-14.9-6.8-11.2-7.1-16.3-11.8-9.0-7.5-7.6-11.5-17.6-7.4-13.8-9.9-13.5-8.8-10.4-12.4-11.1-15.8-9.6-1.5

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value-3.62610-7.325-9.86-18.141351.352-0.2720.395-3.129
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.413.2-9.1-13.8-45.237.11.2-0.20.3-2.1

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value344000.0344000.0285000.0251000.0188000.0152000.0152000.0152000.0152000.0152000.0152000.0152000.0151000.0152000.0150000.0149000.0149000.0148000.0148000.0149000.0148000.0148000.0141000.0123000.0123000.0120000.0121000.0120000.0121000.0121000.0121000.0120000.0123000.0133000.0136000.0136000.0164000.0339000.0351000.0361000.0370000.0292000.0274000.0255000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-09-232020-06-242020-03-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-1.8884.0991.2-1.128-2.5774.653.4681.4761.1492.1481.7781.1180.3353.6453.0663.225-0.0983.5521.6683.7224.9932.7133.4742.8265.0972.6383.3212.1590.8593.3652.0012.8752.4352.6393.2943.0553.1660.0230.0220.0120.2190.012
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value3.8973.6613.9094.0484.0584.1464.2274.3385.0486.2337.0746.766.6916.5146.2275.9585.7995.7365.9715.6095.1055.4935.7125.4225.3145.0245.5145.1855.2815.2385.7275.1985.3525.2245.135.2875.8276.066.6026.9557.2347.1887.6537.327.291
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value3.81.82-2.142-8.0036.928-7.4654.241-7.221-0.719-1.4716.801-4.6682.585-9.86515-3.1350.291-2.2774.8530.588-1.6941.0231.2111.471-0.062-0.275-0.236-0.781-0.7283.306-2.059-0.727-0.076-2.6583.3311.233-0.392-5.3894.187-2.2821.47-1.3332.3431.495
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value111000.0-13000.0164000.0-90000.0-179000.04000.0-143000.0-879000.0-525000.0-121000.0-58000.0-45000.0-5000.0-33000.0137000.054000.0-40000.041000.037000.0214000.0-66000.0-256000.0210000.087000.0141000.0-272000.0209000.0-29000.0-145000.036000.0-9000.052000.0-87000.035000.044000.0-121000.0-372000.0-99000.0-81000.0-910000.0568000.0-175000.0294000.0-846000.0
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value33108.473-3.652-9.8591.901116.87112122720223.453410248.0212820148.65823202610261816131220167.3551517178.486122110146.66220
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.212.710.6-5.1-24.52.09.95.58.48.217.212.814.42.225.68.118.66.321.615.811.46.919.116.221.38.820.715.614.511.910.817.414.66.413.114.714.26.79.915.97.610.74.914.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value-0.828232.3596.477-22.9659.013184934151110119.759139.3258.7498.373119.726-11.5529.9548.7598.959.7348.5339.6788.3438.2736.4314.2627.0316.1987.0816.485.3634.6015.865927.9858.134.1242.7339.9345.458
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.828.82.99.0-57.29.316.339.522.510.27.26.87.46.39.77.06.66.58.77.6-9.38.07.17.27.97.17.57.17.25.73.76.05.36.25.64.43.74.670.75.86.03.02.07.14.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value-0.828232.3596.477-22.9659.013184934151110119.759139.3258.7498.373119.726-11.5529.9548.7598.959.7348.5339.6788.3438.2736.4314.2627.0316.1987.0816.485.3634.6015.865927.985
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.828.82.99.0-57.29.316.339.522.510.27.26.87.46.39.77.06.66.58.77.6-9.38.07.17.27.97.17.57.17.25.73.76.05.36.25.64.43.74.670.75.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value3388000.03472000.05976000.01998000.01511000.0-1537000.0-448000.02176000.02713000.02253000.02377000.01100000.01211000.01350000.01995000.02493000.02080000.01973000.01985000.01775000.01902000.01948000.01130000.01941000.01859000.01705000.02853000.0649000.01180000.01164000.01418000.01053000.01206000.01175000.0702000.01128000.0876000.0790000.01039000.01031000.01176000.0973000.0830000.0761000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-1.1870.183.3761.6093.822-4.1569.3346432-1.347-3.52-8.039-6.821-13.637-7.359-7.102-5.723-6.963-6.763-18.42-3.929-3.544-12.181-8.127-9.027-3.4-4.091-4.235-6.532-6.431-7.041-2.557-4.718-2.154-9.813-2.7046.542.476-0.512-2.674-1.429-3.082-5.1460.163
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.10.24.22.29.5-4.38.252.021.3-0.9-2.2-5.1-4.3-8.8-5.4-5.4-4.3-5.4-5.2-14.3-3.2-2.8-9.8-6.6-7.3-2.8-3.2-3.6-5.7-5.7-6.2-2.2-4.0-1.9-8.5-2.25.22.0-0.4-2.0-1.1-2.3-3.80.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-35.5750.201-19.174-7.817-12.10438-19.283-71.803-44.614-14.25-20.756-14.003-15.9949.123-24.065-3.61-19.146-1.91-20.201-7.054-7.682-2.648-18.459-8.436-13.831-8.579-20.955-13.845-10.262-8.429-8.672-13.518-20.501-8.503-15.951-11.94-16.825-11.162-13.597-16.988-15.147-21.414-13.08-2.103
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-33.50.2-23.9-10.9-30.139.4-16.9-57.8-29.4-9.4-13.0-8.9-10.25.9-17.8-2.7-14.4-1.5-15.6-5.5-6.2-2.1-14.9-6.8-11.2-7.1-16.3-11.8-9.0-7.5-7.6-11.5-17.6-7.4-13.8-9.9-13.5-8.8-10.4-12.4-11.1-15.8-9.6-1.5

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value0.5070.4730.4550.5210.1880.4060.420.4970.7520.7950.7520.7860.820.8230.8550.8340.8070.8260.8220.8230.7990.7560.8580.8050.842551.8971.7911.8031.7461.9091.8841675.0727.1518.1831989.137131111112510.954
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value0.00.00.0364313298.089248.14413151730231132113.9323.8325516164.9123.9858.258158.5963.087118.4792.272114.9725.470.02.3994.896.7017.5793.890.0
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-26
Value59.325.97.411.2-0.1810.205-0.0030.2370.1650.231-0.0230.2060.1810.158-0.0630.3680.360.362-0.1820.352-0.4950.355-0.010.3010.3610.354-0.002-0.0010.0440.289
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-31
Value30000.0140000.0502000.0900000.01127000.01338000.01538000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-31
Value3.893.893.023.043.013.23.26
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

denn:BoardMembers, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302020-09-232020-06-24
Value100000.00100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.00.0100.0

denn:CertainEmployees, us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-31
Value0500000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.0

denn:CertainEmployees, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-09-232020-06-24
Value0200000.00800000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.00.0800.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value817837354051667589103
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value1047000.01047000.02940000.01469000.01180000.000000
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.00.00.00.00.00.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value7.223101313121212121222
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:TaxCreditCarryforward

denn:CaliforniaEnterpriseZoneCredits


Deferred
Period End2020-12-30
Value1.5
Percentage of DeferredTaxAssetsValuationAllowance20.8

denn:ForeignTaxCreditCarryforward


Deferred
Period End2020-12-302019-12-25
Value0.30.7
Percentage of DeferredTaxAssetsValuationAllowance4.26.8

denn:SouthCarolinaNOLCarryforwards


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-30
Value4.48.111119.710.0
Percentage of DeferredTaxAssetsValuationAllowance60.978.989.490.277.280.7

Proceeds From Sale Of Longterm Investments

us-gaap:ProceedsFromSaleOfLongtermInvestments

us-gaap:ProceedsFromSaleOfLongtermInvestments


Proceeds
Period End2021-06-302021-03-312020-12-302020-09-23
Value0200000.000
Percentage of ProceedsFromSaleOfLongtermInvestments0.0100.00.00.0

denn:EffectiveIncomeTaxRateReconciliationReclassificationOfInterestRateHedgesFromOtherComprehensiveIncome

denn:EffectiveIncomeTaxRateReconciliationReclassificationOfInterestRateHedgesFromOtherComprehensiveIncome


Effective
Period End2020-09-232020-06-24
Value-22.083-0.07
Percentage of EffectiveIncomeTaxRateReconciliationReclassificationOfInterestRateHedgesFromOtherComprehensiveIncome100.0100.0

denn:IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities

denn:IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities


Increase
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value217000.0604000.0387000.0538000.0-1787000.018000.024000.096000.0247000.0234000.0
Percentage of IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

denn:OtherComprehensiveIncomeLossAmortizationOfUnrealizedGainsLossesOnDerivativesAfterTaxNet

denn:OtherComprehensiveIncomeLossAmortizationOfUnrealizedGainsLossesOnDerivativesAfterTaxNet


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-24
Value-34000.0-90000.0-159000.0-210000.0-200000.0
Percentage of OtherComprehensiveIncomeLossAmortizationOfUnrealizedGainsLossesOnDerivativesAfterTaxNet100.0100.0100.0100.0100.0

denn:OtherComprehensiveIncomeLossReclassificationOfGainLossOnDedesignationOfDerivativesAfterTaxNet

denn:OtherComprehensiveIncomeLossReclassificationOfGainLossOnDedesignationOfDerivativesAfterTaxNet


Other
Period End2020-12-302020-09-232020-06-242019-06-26
Value00-5462000.00
Percentage of OtherComprehensiveIncomeLossReclassificationOfGainLossOnDedesignationOfDerivativesAfterTaxNet0.00.0100.00.0

denn:OtherComprehensiveIncomeLossReclassificationOfUnrealizedGainsLossesTax

denn:OtherComprehensiveIncomeLossReclassificationOfUnrealizedGainsLossesTax


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-26
Value-11000.0-31000.0-72000.0-73000.0-69000.00000
Percentage of OtherComprehensiveIncomeLossReclassificationOfUnrealizedGainsLossesTax100.0100.0100.0100.0100.00.00.00.00.0

denn:OtherComprehensiveIncomeLossReclassificationOnDedesignationTax

denn:OtherComprehensiveIncomeLossReclassificationOnDedesignationTax


Other
Period End2021-06-302020-12-302020-09-232020-06-242019-12-252019-09-252019-06-26
Value000-1892000.0000
Percentage of OtherComprehensiveIncomeLossReclassificationOnDedesignationTax0.00.00.0100.00.00.00.0

denn:ProceedsFromSaleOfOtherProductiveAssetsNetOfCosts

denn:ProceedsFromSaleOfOtherProductiveAssetsNetOfCosts


Proceeds
Period End2021-06-302021-03-312020-09-232020-06-242020-03-252019-09-252019-06-262019-03-27
Value0.2641.3482.3282.243-0.03570407.914
Percentage of ProceedsFromSaleOfOtherProductiveAssetsNetOfCosts100.0100.0100.0100.0100.0100.0100.0100.0

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfGrowthInEarnings us-gaap:Range, us-gaap:TitleOfIndividual, us-gaap:AwardType

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfGrowthInEarnings

srt:Maximum, denn:CertainEmployees, us-gaap:PerformanceShares


Share
Period End2021-03-31
Value200.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfGrowthInEarnings100.0

srt:Minimum, denn:CertainEmployees, us-gaap:PerformanceShares


Share
Period End2021-03-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfGrowthInEarnings0.0

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceGoalExceededProRatedPercentage us-gaap:AwardType, us-gaap:PlanName, us-gaap:SubsequentEventType

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceGoalExceededProRatedPercentage

us-gaap:PerformanceShares, denn:TwentyEighteen, us-gaap:SubsequentEvent


Share
Period End2020-09-30
Value0.6667
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceGoalExceededProRatedPercentage100.0

denn:TreasuryStockRetiredAverageCostPerShare

denn:TreasuryStockRetiredAverageCostPerShare


Treasury
Period End2020-12-30
Value10.26
Percentage of TreasuryStockRetiredAverageCostPerShare100.0

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease


Allowance
Period End2020-09-23
Value500000.0
Percentage of AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-29
Value1564000.0338000.002181000.0000001440000.081000.037000.0326000.00001098000.0000264000.0577000.045000.049000.053000.0320000.028000.004891000.00857000.00652000.02468000.017000.0523000.01829000.02168000.058000.0
Percentage of AssetImpairmentCharges100.0100.00.0100.00.00.00.00.00.0100.0100.0100.0100.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Asset
Period End2020-12-302020-09-232020-06-242020-03-25
Value1564000.0338000.002181000.0
Percentage of AssetImpairmentCharges100.0100.00.0100.0

us-gaap:AssetImpairmentCharges us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


Asset
Period End2020-12-302020-09-23
Value1600000.0300000.0
Percentage of AssetImpairmentCharges102.388.8

us-gaap:BusinessExitCosts1

us-gaap:BusinessExitCosts1


Business
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-26
Value141000.082000.035000.075000.050000.044000.078000.020000.052000.0122000.0171000.048000.0275000.024000.019000.040000.0295000.031000.0322000.0154000.0-36000.0151000.0114000.043000.087000.0453000.0-45000.0291000.035000.054000.0195000.0198000.0181000.056000.0787000.0233000.0
Percentage of BusinessExitCosts1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths us-gaap:DerivativeInstrumentRisk

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:InterestRateSwap


Cash
Period End2021-03-31
Value-4000000.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:InterestRateSwap, denn:AccumulatedGainLossNetCashFlowHedgeDedesignationOfAPortionOfInterestRateSwaps


Cash
Period End2021-03-31
Value-100000.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths2.5

us-gaap:ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized

us-gaap:ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-30
Value612000.0563000.0844000.0
Percentage of ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2020-12-312020-03-252019-12-25
Value1200000.0800000.01500000.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:ProductOrService

denn:GiftCardRedemption


Contract
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-25
Value100000.0100000.0100000.0-200000.0300000.0200000.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized0.00.00.00.00.025.0

us-gaap:CostDirectLabor

us-gaap:CostDirectLabor


Cost
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-27
Value161214118.0391718233639404141413937
Percentage of CostDirectLabor100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostDirectMaterial

us-gaap:CostDirectMaterial


Cost
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value118.2728.2757.1064.3051011152323
Percentage of CostDirectMaterial100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostsOfFranchisedOutlets

us-gaap:CostsOfFranchisedOutlets


Costs
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-27
Value28232524152933312827282829289.8119.493
Percentage of CostsOfFranchisedOutlets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-302020-09-232012-12-262012-09-262011-12-282011-09-282010-12-292010-09-29
Value-17.227296.3497.2810.062-0.0210.00.00.0-0.334
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred us-gaap:StatementEquityComponents

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred

denn:AccumulatedGainLossNetCashFlowHedgeUnrealizedLosses


Derivative
Period End2021-06-302021-03-31
Value0-100000.0
Percentage of DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred0.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent


Effective
Period End2021-06-302019-12-252019-09-252019-06-262018-12-262018-09-262018-06-27
Value13.4-0.0480.010.036-0.0010.0040.052
Percentage of EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-29
Value0.0650.9422.4181.202-0.0121.076.11151269.475-0.2460.6950.0270.0370.0830.411-0.2051.44-0.7930.0770.0430.6440.050.023-0.0020.0220.0380.0330.0330.008-0.0170.0680.033-0.0180.318-0.0914.9081.9550.4450.8670.879
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnTerminationOfLease

us-gaap:GainLossOnTerminationOfLease


Gain
Period End2021-06-302021-03-312020-09-232020-06-242020-03-252019-09-25
Value106000.0-34000.010000.0-25000.0-28000.074000.0
Percentage of GainLossOnTerminationOfLease100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillOtherIncreaseDecrease

us-gaap:GoodwillOtherIncreaseDecrease


Goodwill
Period End2020-12-30
Value0
Percentage of GoodwillOtherIncreaseDecrease0.0

us-gaap:ImpairmentOfIntangibleAssetsFinitelived

us-gaap:ImpairmentOfIntangibleAssetsFinitelived


Impairment
Period End2020-12-302020-09-232020-06-242020-03-25
Value0100000.00100000.0
Percentage of ImpairmentOfIntangibleAssetsFinitelived0.0100.00.0100.0

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncreaseDecreaseInAccruedTaxesPayable


Increase
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value814000.0-380000.0-1745000.01683000.0259000.0-971000.0-1519000.0428000.0-458000.0-494000.0-1691000.01546000.0390000.038000.0-1497000.01198000.0491000.0-215000.0-1551000.01553000.0367000.0-273000.0-1207000.01686000.0-259000.0-38000.0-882000.01695000.0378000.0-320000.0-1722000.01463000.0477000.0-117000.0-1887000.01275000.0-80000.0-55000.0-2140000.01441000.0344000.0-265000.0-2361000.02037000.0
Percentage of IncreaseDecreaseInAccruedTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-30
Value189000.0114000.0333000.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value3696000.0-1704000.05904000.02780000.01264000.0-12783000.02398000.0-1627000.01842000.0-6439000.03033000.01171000.02019000.0-4048000.02648000.0598000.01892000.0-11584000.03636000.01724000.03703000.0-16433000.06338000.01814000.05241000.0-9333000.03268000.02654000.0693000.0-3967000.0544000.01694000.0791000.0-5574000.01033000.01607000.0277000.0-638000.0-1069000.01450000.0-986000.01539000.0-383000.02299000.0
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value3454000.01195000.0987000.039000.0-214000.0-6337000.01400000.0-1280000.01654000.0-5918000.06057000.0-1381000.0-404000.0-5948000.04969000.0-4469000.0839000.0-1204000.06410000.0-3222000.0-10479000.0-2926000.016134000.0-3519000.0-374000.0-2762000.05551000.0977000.0-2453000.0-3961000.03269000.0-85000.0-1251000.0-2679000.01305000.0-808000.0-503000.0-4414000.035000.01175000.0-5740000.0-157000.0-2612000.0974000.0
Percentage of IncreaseDecreaseInOtherAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherCurrentAssets


Increase
Period End2021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-5294000.07000.01272000.06704000.0-4111000.03940000.0-4580000.07652000.0-2904000.0371000.0-1545000.02992000.0-2739000.03214000.02753000.0-456000.0-3131000.02350000.0276000.0-2672000.0-4576000.06108000.01370000.0-190000.0-822000.01348000.01260000.0-871000.0-1478000.01307000.01427000.0-1500000.0-2218000.01065000.01812000.0-2660000.0-3037000.01294000.0-221000.0-92000.0131000.0-1082000.04756000.0
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value1116000.0201000.02290000.0-368000.01472000.0-1578000.01500000.09191000.0-3213000.0-2897000.0-567000.0120000.0285000.0160000.01259000.01199000.01557000.02312000.01782000.0687000.0466000.0647000.0804000.0-455000.0-1114000.0843000.0450000.0285000.0797000.0586000.0711000.0294000.069000.01036000.0623000.0503000.0982000.01064000.0560000.0-1147000.01166000.0-984000.0417000.03385000.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-887000.0-1149000.0115000.0-2798000.0-220000.0-2607000.0-170000.010130000.0-4946000.0-3116000.0-2079000.0-994000.0-932000.0-413000.0-828000.0-1217000.065000.0-1133000.02090000.0-85000.0-1291000.0-684000.0-9672000.0-872000.0-584000.0-88000.01207000.0-1518000.0115000.0-963000.05000.01186000.0-1744000.0-2135000.0298000.0-1543000.0-1148000.0-1370000.0-197000.0-1983000.0-714000.0-2607000.0-332000.0-2333000.0
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInReceivables


Increase
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value-404000.0-353000.01087000.01877000.06473000.0-15815000.010125000.0-550000.0-117000.0-7428000.08304000.0-1259000.0-502000.0-1821000.04086000.0462000.0-396000.0-3345000.05504000.0-127000.0179000.0-2634000.03186000.0-432000.0-420000.0-3774000.03444000.0671000.0-160000.0-2836000.03403000.0-1533000.0412000.0-2398000.02774000.0-243000.01207000.0-1998000.01935000.0-6096000.04396000.0-2467000.03417000.0-4048000.0
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-26
Value18000.0498000.0234000.001806000.0-24000.01759000.01792000.02032000.0-150000.02276000.02484000.02514000.044000.02337000.02254000.02237000.043000.01940000.001817000.0-13000.02133000.02105000.02590000.070000.01922000.01603000.02013000.045000.01932000.02006000.02111000.081000.02040000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseIncome

us-gaap:LeaseIncome


Lease
Period End2021-06-302021-03-312020-09-232020-06-242020-03-252019-09-252019-06-262019-03-27
Value1010109.73611108.1267.545
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OccupancyNet

us-gaap:OccupancyNet


Occupancy
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value2.8442.852.7122.6382.7283.1633.034.3015.4985.784
Percentage of OccupancyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Oci
Period End2021-06-302021-03-312020-09-232020-06-242020-03-25
Value-753000.02978000.0586000.0-3002000.0-44723000.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeaseImpairmentLoss


Operating
Period End2020-12-30
Value500000.0
Percentage of OperatingLeaseImpairmentLoss100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value7.6687.913178.2778.068.62212108.2045.425
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-27
Value-561000.02215000.0158000.0435000.0-2230000.0-32928000.07762000.0-15067000.0-10619000.0-12152000.0-6870000.04422000.03201000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-27
Value-192000.0763000.071000.0151000.0-772000.0-11795000.03164000.0-5251000.0-3701000.0-4622000.0-1950000.01543000.01117000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-27
Value-748000.0-740000.0-730000.0-350000.0-967000.0-239000.0-187000.0-57000.011000.017000.0-92000.0-115000.0-168000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-27
Value-257000.0-255000.0-333000.0-121000.0-334000.0-86000.064000.021000.0-3000.07000.0-98000.040000.058000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-27
Value0.253.0750.81.0124.415-32.6727.947-14.994-10.614-12.153-6.6874.5583.39-3.0911.0070.223-1.53-0.6098.4010.04518-4.682.069-3.2773.583-1.55-7.4640.3-0.388-0.2085.765-0.4572.5950.254
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-26
Value0.253.0750.81.0124.415-32.6727.947-14.994-10.614-12.153-6.6874.5583.39-3.0911.0070.223-1.53-0.6098.4010.04518-4.682.069-3.2773.583-1.55-7.4640.3-0.388-0.208
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-26
Value-29000.0-30000.0247000.0-17000.0-16000.0-17000.02000.0-16000.0-16000.0-16000.0-91000.0-21000.0-21000.0-22000.079000.0-14000.0-14000.0-14000.032000.0-13000.0-21825000.0-13000.0-1437000.0-265000.0-264000.0-264000.06726000.0-141000.0-140000.0-141000.0-5557000.0-251000.0-247000.0-254000.0990000.0-1340000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-27
Value-11000.0-10000.084000.0-5000.0-6000.0-6000.02000.0-6000.0-5000.0-6000.0-33000.0-7000.0-7000.0-6000.049000.0-9000.0-9000.0-9000.020000.0-8000.0-2152000.0-8000.0-918000.0-169000.0-169000.0-169000.04290000.0-90000.0-91000.0-90000.0-3677000.0-162000.0-160000.0-165000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-31
Value87000.01059000.0392000.0350000.01529000.0-11703000.03226000.01182000.0-1079000.0641000.0142000.0-976000.0-388000.05367000.028000.095000.0-2989000.01323000.0-2097000.02293000.0-992000.0-4763000.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-31
Value11000.010000.0-84000.05000.06000.06000.0-2000.07000.06000.0-49000.09000.09000.09000.0-20000.08000.02152000.08000.0918000.0169000.0169000.0169000.0-4290000.0
Percentage of OtherComprehensiveIncomeLossTax12.60.9-21.41.40.4-0.1-0.10.6-0.6-7.66.3-0.9-2.3-0.428.62265.3-0.369.4-8.17.4-17.090.1

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-25
Value76000.01049000.0476000.0345000.01523000.0-11709000.0
Percentage of OtherComprehensiveIncomeLossTax87.499.1121.498.699.6100.1

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-292010-06-30
Value6.5526.0775.8745.7014.5345.7196.9371014141515151513141212111311121112111112121111101211111112121214151515151715
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-25
Value0.113-0.5320.5110.781-1.627-1.4735.72150268.935-1.005-0.793-0.462-0.36-0.87-0.63-2.046-0.783-2.545-0.249-24.2410.125-0.644-0.886-0.228-0.608-0.221-0.587-0.04-0.422-5.292-0.161
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2021-06-302021-03-312020-09-232014-12-312014-09-242013-12-252013-09-252012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value08000.000000-1000.03000.01095000.0025000.019000.025000.0770000.02685000.010000.0
Percentage of PaymentsOfFinancingCosts0.0100.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-29
Value68000.01309000.01282000.013000.003036000.0028000.003178000.0018000.001696000.000000000000982000.0000419000.0332000.000464000.00182000.00145000.00377000.000301000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.0100.0100.00.00.0100.00.0100.00.0100.00.0100.00.00.0100.0

us-gaap:PaymentsToAcquireLongtermInvestments

us-gaap:PaymentsToAcquireLongtermInvestments


Payments
Period End2020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-27
Value0001400000.0460000.0001300000.0-9000.01709000.0000
Percentage of PaymentsToAcquireLongtermInvestments0.00.00.0100.0100.00.00.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireNotesReceivable

us-gaap:PaymentsToAcquireNotesReceivable


Payments
Period End2020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-30
Value429000.0186000.076000.0408000.0529000.0104000.0147000.0571000.01143000.070000.0521000.01934000.0428000.0453000.0815000.01010000.0839000.0757000.0418000.0219000.0639000.0151000.0551000.0449000.0399000.0516000.0346000.0305000.0801000.0475000.0353000.0404000.03788000.0528000.0475000.0649000.00000
Percentage of PaymentsToAcquireNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToAcquireOtherProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value1.5251.5831.4865.4760.00.01.3297.940.04.706
Percentage of PaymentsToAcquireOtherProductiveAssets100.0100.0100.0100.00.00.0100.0100.00.0100.0

us-gaap:ProceedsFromCollectionOfNotesReceivable

us-gaap:ProceedsFromCollectionOfNotesReceivable


Proceeds
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value168000.0215000.0429000.0467000.0413000.0505000.0627000.02169000.0433000.0425000.0262000.0557000.01062000.0859000.0632000.0587000.02574000.0612000.0525000.0421000.0329000.0401000.0381000.0385000.0479000.0495000.0501000.0578000.0483000.0727000.01126000.01246000.01173000.01234000.0328000.0152000.0123000.01367000.0591000.0306000.0214000.0236000.0270000.0460000.0
Percentage of ProceedsFromCollectionOfNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2020-12-30
Value0.0
Percentage of ProceedsFromIssuanceOfCommonStock0.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-26
Value2.07.50.010271026136382845242739286472731418.0111863111614010.06.7123.0
Percentage of ProceedsFromLinesOfCredit100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfBankOverdrafts

us-gaap:ProceedsFromRepaymentsOfBankOverdrafts


Proceeds
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value0-3125000.03124000.000-449000.0-2058000.0-311000.0-2628000.0705000.02221000.0-1100000.0-1901000.03320000.0-2191000.0708000.0543000.0-972000.04114000.000-4361000.04362000.00-3592000.03592000.0-3558000.02858000.0-472000.0-437000.0-2287000.0-695000.0-440000.0-1286000.01956000.0-664000.0-416000.0-2352000.01148000.0-579000.02270000.0-3046000.03164000.0-930000.0
Percentage of ProceedsFromRepaymentsOfBankOverdrafts0.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292011-03-302010-12-292010-09-29
Value0116000.0215000.0146000.066000.005000.0416000.0443000.0107000.0167000.045000.001013000.0482000.038000.05000.0130000.0397000.0169000.033000.0290000.0261000.070000.033000.0368000.01199000.0765000.0161000.044000.0878000.0852000.0537000.0688000.057000.01474000.0315000.0334000.057000.0172000.0517000.04104000.0688000.03000.0
Percentage of ProceedsFromStockOptionsExercised0.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

denn:DedesignatedInterestRateSwaps, denn:AccumulatedGainLossNetCashFlowHedgeUnrealizedLosses


Reclassification
Period End2021-06-30
Value-100000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0

denn:InterestRateHedges2018, denn:AccumulatedGainLossNetCashFlowHedgeUnrealizedLosses


Reclassification
Period End2021-03-31
Value-100000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent0.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

denn:AccumulatedGainLossNetCashFlowHedgeDedesignationOfAPortionOfInterestRateSwaps


Reclassification
Period End2020-12-302020-09-232020-06-24
Value0-14754000.0-7400000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent0.00.00.0

denn:AccumulatedGainLossNetCashFlowHedgeUnrealizedLosses


Reclassification
Period End2021-06-302021-03-312020-12-302020-09-23
Value-45000.0-121000.0-183000.0-300000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent45.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-09-232020-06-242020-03-25
Value-40000.0-40000.0-22000.0-22000.0-23000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent40.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-25
Value-1005000.0-995000.0-1063000.0-471000.0-1301000.0-325000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent1005.00.00.00.00.00.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-26
Value372.5208738243494503136282716288202219253.01412183.09.59021145.750.0
Percentage of RepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-29
Value-48000.01474000.0343000.083000.01615000.0362000.0390000.01092000.0406000.0540000.0759000.048000.0408000.0360000.049000.040000.0297000.099000.0654000.0326000.0-13000.0519000.0430000.0332000.0181000.0581000.0206000.0300000.045000.0430000.0384000.0229000.0660000.0116000.0942000.0821000.0882000.01267000.0-125000.0490000.0402000.0
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability


Right
Period End2020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-27
Value47000.084000.0011000.000305000.00
Percentage of RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability100.0100.00.0100.00.00.0100.00.0

us-gaap:SaleOfStockConsiderationReceivedOnTransaction

us-gaap:SaleOfStockConsiderationReceivedOnTransaction


Sale
Period End2020-07-06
Value69
Percentage of SaleOfStockConsiderationReceivedOnTransaction100.0

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction us-gaap:SubsequentEventType

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction

us-gaap:SubsequentEvent


Sale
Period End2020-07-01
Value8000000.0
Percentage of SaleOfStockNumberOfSharesIssuedInTransaction100.0

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock

us-gaap:SubsequentEvent, us-gaap:OverAllotmentOption


Sale
Period End2020-07-01
Value1200000.0
Percentage of SaleOfStockNumberOfSharesIssuedInTransaction15.0

us-gaap:SeveranceCosts1

us-gaap:SeveranceCosts1


Severance
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-25
Value-189000.01392000.0308000.08000.01565000.0318000.0312000.01072000.0354000.0418000.0588000.00133000.0336000.030000.002000.068000.0332000.0172000.023000.0368000.0316000.0289000.094000.0128000.0251000.09000.010000.0376000.0189000.031000.0
Percentage of SeveranceCosts1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

denn:BoardMembers, us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-09-232020-06-24
Value010.46
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.0

denn:CertainEmployees, us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-31
Value024.74
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.0

denn:CertainEmployees, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-09-232020-06-24
Value015.91010.46
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised us-gaap:TitleOfIndividual

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised

denn:BoardMembers


Share
Period End2020-09-232020-06-24
Value0100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

denn:BoardMembers, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-30
Value100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod100.0

denn:CertainEmployees, us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-31
Value0200000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod0.00.0

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

denn:CertainEmployees, us-gaap:PerformanceShares


Shares
Period End2021-06-302021-03-31
Value0100000.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation0.0100.0

us-gaap:StockIssued1

us-gaap:StockIssued1


Stock
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value652000.02435000.01907000.0234000.0495000.05313000.0069000.01120000.06333000.0052000.01106000.03513000.00015000.04946000.000100000.03497000.000588000.03963000.00001030000.0347000.004000.01586000.0295000.0560000.00296000.0203000.01032000.0
Percentage of StockIssued1100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2020-12-302020-09-23
Value08000000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues0.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282012-12-262012-09-262012-06-272012-03-28
Value55000.0153000.0138000.022000.025000.0262000.003000.0118000.0347000.003000.0211000.0233000.0252810.0-70808.0071000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282012-12-262012-09-262012-06-272012-03-28
Value030000.056000.037000.017000.02000.0119000.0187000.054000.092000.020000.00286000.0842200.0-226200.0117000.0110000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value-1000.0-1000.0-2000.000-3000.000-2000.0-3000.00-1000.0-1000.0-3000.0000-4000.0000-4000.000-1000.0-4000.01000.000-2000.0000-3000.0-1000.0-1000.0-1000.00-1000.0-3000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.00.00.0100.00.00.0100.0100.00.0100.0100.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.0100.00.00.0100.00.00.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value1000.01000.02000.0003000.0002000.03000.001000.01000.03000.00004000.00004000.0001000.04000.0-1000.0002000.00003000.01000.01000.01000.001000.03000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-100.0-100.0-100.00.00.0-100.00.00.0-100.0-100.00.0-100.0-100.0-100.00.00.00.0-100.00.00.00.0-100.00.00.0-100.0-100.0-100.00.00.0-100.00.00.00.0-100.0-100.0-100.0-100.00.0-100.0-100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value0116000.0215000.0146000.066000.05000.0416000.0443000.0107000.0167000.045000.001013000.0482000.038000.05000.0130000.0397000.0169000.033000.0290000.0261000.070000.033000.0368000.01199000.0765000.0161000.044000.0878000.0852000.0537000.0688000.057000.01474000.0315000.0334000.057000.0172000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value0116000.0215000.0145000.066000.05000.0415000.0442000.0106000.0166000.045000.001010000.0481000.037000.05000.0130000.0396000.0169000.033000.0289000.0260000.070000.033000.0367000.01195000.0763000.0160000.044000.0875000.0850000.0536000.0685000.057000.01468000.0314000.0333000.057000.0171000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.0100.0100.099.3100.0100.099.899.899.199.4100.00.099.799.897.4100.0100.099.7100.0100.099.799.6100.0100.099.799.799.799.4100.099.799.899.899.6100.099.699.799.7100.099.4

us-gaap:CommonStock


Stock
Period End2020-12-302020-09-232019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-28
Value01000.001000.01000.01000.01000.0003000.01000.01000.0001000.0001000.01000.0001000.04000.02000.01000.003000.02000.01000.03000.006000.01000.01000.001000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.00.70.00.20.20.90.60.00.00.30.22.60.00.00.30.00.00.30.40.00.00.30.30.30.60.00.30.20.20.40.00.40.30.30.00.6

us-gaap:TangibleAssetImpairmentCharges

us-gaap:TangibleAssetImpairmentCharges


Tangible
Period End2020-12-30
Value1100000.0
Percentage of TangibleAssetImpairmentCharges100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStock


Treasury
Period End2020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252012-12-262012-09-26
Value0001690000.02247000.0589000.01536000.0507000.01464000.0574000.0792000.01071000.01282000.02512000.02062000.0984000.02714000.01104000.0362000.0400000.05079000.01537000.01482000.0450000.0458000.01227000.02287000.01357000.0459000.04836600.0-1421600.0
Percentage of TreasuryStockSharesAcquired0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesRetired

us-gaap:TreasuryStockSharesRetired


Treasury
Period End2020-12-30
Value54
Percentage of TreasuryStockSharesRetired100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262011-12-282011-09-28
Value0.00.00.0344512298.941238.56312161629241232113.8233.9035317165.1034.037.97149.0973.12109.4471.8881116-2.176-4.818
Percentage of TreasuryStockValueAcquiredCostMethod0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262011-12-282011-09-28
Value0.00.00.0344512298.941238.56312161629241232113.8233.9035317165.1034.037.97149.0973.12109.4471.8881116-2.176-4.818
Percentage of TreasuryStockValueAcquiredCostMethod0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:UnrealizedGainLossOnDerivatives

denn:DedesignatedInterestRateSwaps, us-gaap:OtherNonoperatingIncomeExpense


Unrealized
Period End2021-06-30
Value-17200000.0
Percentage of UnrealizedGainLossOnDerivatives100.0

us-gaap:UnrealizedGainLossOnDerivatives us-gaap:IncomeStatementLocation

us-gaap:OtherNonoperatingIncomeExpense


Unrealized
Period End2021-03-312020-09-232020-06-24
Value-29900000.0-7800000.0-4100000.0
Percentage of UnrealizedGainLossOnDerivatives0.00.00.0

us-gaap:VariableLeaseIncome

us-gaap:VariableLeaseIncome


Variable
Period End2021-06-302021-03-312020-09-232020-06-242020-03-252019-09-252019-06-262019-03-27
Value3142000.02301000.01805000.01676000.02712000.02770000.02280000.02120000.0
Percentage of VariableLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0

denn:AccruedLiabilitiesForUnredeemedGiftCards

denn:AccruedLiabilitiesForUnredeemedGiftCards


Accrued
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-26
Value5573000.05478000.06127000.04758000.04964000.04790000.06469000.06546000.0
Percentage of AccruedLiabilitiesForUnredeemedGiftCards100.0100.0100.0100.0100.0100.0100.0100.0

denn:AccumulatedAmortizationFinancingLeaseROUAssets

denn:AccumulatedAmortizationFinancingLeaseROUAssets


Accumulated
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-26
Value10109.9079.4849.0368.928.4689.973130.0164130.015526
Percentage of AccumulatedAmortizationFinancingLeaseROUAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

denn:DebtInstrumentCovenantCapitalExpendituresRestrictionsExpandedAmount us-gaap:StatementScenario, us-gaap:DebtInstrument

denn:DebtInstrumentCovenantCapitalExpendituresRestrictionsExpandedAmount

srt:ScenarioForecast, us-gaap:RevolvingCreditFacility


Debt
Period End2021-03-31
Value12
Percentage of DebtInstrumentCovenantCapitalExpendituresRestrictionsExpandedAmount100.0

denn:DebtInstrumentCovenantLiquidityRequirement us-gaap:Range, us-gaap:StatementScenario, us-gaap:CreditFacility, us-gaap:DebtInstrument

denn:DebtInstrumentCovenantLiquidityRequirement

srt:Maximum, srt:ScenarioForecast, us-gaap:RevolvingCreditFacility, us-gaap:LetterOfCredit


Debt
Period End2021-05-26
Value70
Percentage of DebtInstrumentCovenantLiquidityRequirement100.0

srt:Minimum, srt:ScenarioForecast, us-gaap:RevolvingCreditFacility, us-gaap:LetterOfCredit


Debt
Period End2021-05-26
Value60
Percentage of DebtInstrumentCovenantLiquidityRequirement85.7

denn:DebtInstrumentCovenantLiquidityRequirement us-gaap:Range, us-gaap:StatementScenario, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

srt:Maximum, srt:ScenarioForecast, us-gaap:RevolvingCreditFacility, us-gaap:LetterOfCredit, us-gaap:SubsequentEvent


Debt
Period End2021-05-26
Value70
Percentage of DebtInstrumentCovenantLiquidityRequirement100.0

srt:Minimum, srt:ScenarioForecast, us-gaap:RevolvingCreditFacility, us-gaap:LetterOfCredit, us-gaap:SubsequentEvent


Debt
Period End2021-05-26
Value60
Percentage of DebtInstrumentCovenantLiquidityRequirement85.7

denn:DeferredPaymentOfEmployerPortionOfSocialSecurityTaxesCARESAct

denn:DeferredPaymentOfEmployerPortionOfSocialSecurityTaxesCARESAct


Deferred
Period End2020-12-30
Value3100000.0
Percentage of DeferredPaymentOfEmployerPortionOfSocialSecurityTaxesCARESAct100.0

denn:DeferredTaxAssetFinanceLeaseLiabilities

denn:DeferredTaxAssetFinanceLeaseLiabilities


Deferred
Period End2020-12-302019-12-25
Value1369000.01263000.0
Percentage of DeferredTaxAssetFinanceLeaseLiabilities100.0100.0

denn:DeferredTaxAssetsOperatingLeaseLiabilities

denn:DeferredTaxAssetsOperatingLeaseLiabilities


Deferred
Period End2020-12-302019-12-25
Value3943
Percentage of DeferredTaxAssetsOperatingLeaseLiabilities100.0100.0

denn:GuarantorObligationsLoansPayableOfFranchisee

denn:GuarantorObligationsLoansPayableOfFranchisee


Guarantor
Period End2020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282015-12-30
Value0.40.40.50.61.31.82.22.52.84.24.75.16.06.47.57.98.7
Percentage of GuarantorObligationsLoansPayableOfFranchisee100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

denn:NetOperatingLossCarryback

denn:NetOperatingLossCarryback


Net
Period End2020-12-30
Value900000.0
Percentage of NetOperatingLossCarryback100.0

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsFairValue us-gaap:AwardType, us-gaap:PlanName

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsFairValue

us-gaap:PerformanceShares, denn:TwentyEighteen


Share
Period End2020-12-30
Value2400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsFairValue100.0

us-gaap:PerformanceShares, denn:TwentyNineteen


Share
Period End2020-12-30
Value2300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsFairValue95.8

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsFairValue us-gaap:Range, us-gaap:AwardType, us-gaap:PlanName, us-gaap:SubsequentEventType

srt:Maximum, us-gaap:PerformanceShares, denn:TwentyEighteen, us-gaap:SubsequentEvent


Share
Period End2020-09-30
Value2400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsFairValue0.0

srt:Maximum, us-gaap:PerformanceShares, denn:TwentyNineteen, us-gaap:SubsequentEvent


Share
Period End2020-09-30
Value3200000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsFairValue0.0

srt:Minimum, us-gaap:PerformanceShares, denn:TwentyNineteen, us-gaap:SubsequentEvent


Share
Period End2020-09-30
Value2400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsFairValue0.0

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares, denn:TwentyEighteen


Share
Period End2020-12-30
Value10.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName, us-gaap:SubsequentEventType

us-gaap:PerformanceShares, denn:TwentyEighteen, us-gaap:SubsequentEvent


Share
Period End2020-09-30
Value10.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue0.0

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNumberOfSharesAffectedByModification us-gaap:AwardType, us-gaap:PlanName

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNumberOfSharesAffectedByModification

us-gaap:PerformanceShares, denn:TwentyEighteen


Share
Period End2020-12-30
Value200000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNumberOfSharesAffectedByModification100.0

us-gaap:PerformanceShares, denn:TwentyNineteen


Share
Period End2020-12-30
Value300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNumberOfSharesAffectedByModification150.0

denn:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNumberOfSharesAffectedByModification us-gaap:AwardType, us-gaap:PlanName, us-gaap:SubsequentEventType

us-gaap:PerformanceShares, denn:TwentyEighteen, us-gaap:SubsequentEvent


Share
Period End2020-09-30
Value200000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNumberOfSharesAffectedByModification0.0

us-gaap:PerformanceShares, denn:TwentyNineteen, us-gaap:SubsequentEvent


Share
Period End2020-09-30
Value300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationEquityInstrumentsOtherThanOptionsNumberOfSharesAffectedByModification0.0

denn:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValue us-gaap:AwardType

denn:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Sharebased
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-282010-12-29
Value12.9116.2212.6511.119.849.557.26.554.33.192.92
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

denn:SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedNumber us-gaap:AwardType

denn:SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedNumber

us-gaap:PerformanceShares


Sharebased
Period End2020-12-30
Value577000.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedNumber100.0

denn:SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedWeightedAverageGrantDateFairValue us-gaap:AwardType

denn:SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Sharebased
Period End2020-12-30
Value14.92
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedWeightedAverageGrantDateFairValue100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-26
Value15161517158.6691412119.863119.26710101011109.9431010109.949109.4929.849.855109.8869.5639.874109.22810
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

denn:TradeAccountsReceivableCOVIDDeferrals


Accounts
Period End2020-12-30
Value5.7
Percentage of AccountsReceivableGrossCurrent36.7

us-gaap:AccruedAdvertisingCurrent

us-gaap:AccruedAdvertisingCurrent


Accrued
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312013-12-252012-12-262011-12-28
Value117.4864.3183.3481.8183.3316.7534.54.3054.2537.4134.7384.6145.4998.4176.0668.7598.5398.0513.9196.0666.0987.7374.4445.9076.8328.0276.7915.7286.552
Percentage of AccruedAdvertisingCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedInsuranceCurrent

us-gaap:AccruedInsuranceCurrent


Accrued
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312013-12-252012-12-262011-12-28
Value4424000.04625000.04667000.05488000.06012000.06316000.06515000.06884000.07511000.07285000.07323000.07067000.07194000.06863000.06922000.06481000.06528000.06260000.06651000.06545000.06499000.07067000.07076000.06702000.06823000.07312000.06340000.07519000.07122000.08168000.0
Percentage of AccruedInsuranceCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets


Accumulated
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value146147226227241235241241234223
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets us-gaap:FranchisorDisclosure

us-gaap:FranchisedUnits


Accumulated
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value59654648525253545533
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets40.344.420.521.221.622.422.322.623.814.8

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272011-12-282011-09-282011-06-292010-12-29
Value1024000.01444000.01699000.01699000.01249000.01249000.0274000.0290000.0285000.0304000.0300000.0275000.0427000.0427000.0276000.0281000.0280000.0280000.0280000.0280000.0319000.0297000.0297000.0279000.0275000.0274000.0300000.0289000.0235000.0234000.0231000.0225000.02000.013000.012000.023000.0-22000.0-8000.05000.0337000.0207000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272011-12-28
Value14131311121113121212111212121212111111101010109.4789.973109.2958.888.8838.6688.1687.737.3487.3316.3716.1125.8584.935
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2020-12-302020-09-232020-06-242020-03-252013-12-252013-06-262012-12-26
Value2.4252.5752.7182.7181.1980.00.228
Percentage of AssetsFairValueDisclosure17.821.522.324.314.70.03.6

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation us-gaap:DisposalGroupClassification

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Assets
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242019-12-25
Value1600000.01600000.01100000.03200000.02000000.01900000.0
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation100.0100.0100.0100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent


Assets
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302014-12-31
Value1.6211.621.1253.2061.9730.01.9251.41915140.7230.00.00.7321.7541.020.00.00.2510.9310.0750.0
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.00.0100.0100.0100.00.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Assets
Period End2020-12-302019-12-252019-09-252018-12-26
Value1.11.91.40.7
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent97.898.798.796.8

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CashEquivalentsAtCarryingValue


Cash
Period End2020-12-302019-12-252018-12-262017-12-27
Value400000.0400000.0400000.01900000.0
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-27
Value19202021222223232120202021211.643
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent


Contract
Period End2021-06-302021-03-312020-12-302020-09-232019-12-25
Value1718181921
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-30
Value210240286259218195
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredCompensationPlanAssets

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-26
Value1413131112111311
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-26
Value1413131112111311
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent us-gaap:AwardType

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent

us-gaap:PerformanceShares


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-26
Value100000.0100000.0400000.0400000.03900000.02600000.02500000.0700000.0400000.0
Percentage of DeferredCompensationShareBasedArrangementsLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent us-gaap:AwardType

us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent

us-gaap:PerformanceShares


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-26
Value200000.0200000.0200000.0400000.0300000.02200000.02500000.01900000.0900000.0
Percentage of DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-26
Value1918232728281417
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value58631918222222242427
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards


Deferred
Period End2020-12-30
Value161000.0
Percentage of DeferredTaxAssetsCharitableContributionCarryforwards100.0

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDeferredIncome


Deferred
Period End2020-12-302019-12-252018-12-262017-12-27
Value5337000.04688000.05099000.0609000.0
Percentage of DeferredTaxAssetsDeferredIncome100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsDerivativeInstruments

us-gaap:DeferredTaxAssetsDerivativeInstruments


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-31
Value19111.1570.5660.2940.6470.0
Percentage of DeferredTaxAssetsDerivativeInstruments100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value8888504853637888102126
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value5.8889.6211314111212121324
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal us-gaap:TaxCreditCarryforward

denn:SouthCarolinaNOLCarryforwards


Deferred
Period End2020-12-302019-12-25
Value4.68.3
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal78.186.3

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value2.7822.9451113132022293535
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value10101010121116111417
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value25000.048000.0445000.0487000.01074000.0935000.01031000.01485000.02158000.02260000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value3.3154.2024.6474.3647.7918.3719.0639.4579.31410
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value86000.0211000.0286000.0111000.0125000.0102000.0177000.0230000.0220000.02583000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-302019-12-252018-12-262017-12-27
Value367000.0791000.00166000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals100.0100.00.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value14141414222222222324
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-302019-12-25
Value3540
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-30
Value7679000.06711000.05033000.04179000.0601000.00
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.00.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation


Defined
Period End2020-12-302019-12-252018-12-262017-12-27
Value2.2982.3372.3932.608
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax


Defined
Period End2020-12-302019-12-252018-12-262017-12-27
Value-1087000.0-823000.0-885000.0-1093000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate


Defined
Period End2020-12-302019-12-252018-12-262017-12-272014-12-312013-12-252012-12-262011-12-28
Value1.340.02560.03830.03080.04120.04980.04180.0459
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanBenefitObligation


Defined
Period End2020-12-302019-12-252018-12-262017-12-272016-12-28
Value2.2982.3372.3932.6082.639
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter


Defined
Period End2020-12-30
Value0.413
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths


Defined
Period End2020-12-30
Value0.716
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive


Defined
Period End2020-12-30
Value100000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour


Defined
Period End2020-12-30
Value122000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree


Defined
Period End2020-12-30
Value550000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo


Defined
Period End2020-12-30
Value406000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear


Defined
Period End2020-12-30
Value700000.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanFundedStatusOfPlan


Defined
Period End2020-12-302019-12-252018-12-262017-12-27
Value-2298000.0-2337000.0-2393000.0-2608000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeNet

us-gaap:DerivativeFairValueOfDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-302019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-29
Value574176-55.8-35.6-21.34.54.3-1.8-6.42.2-4.0-4.3-1.8
Percentage of DerivativeFairValueOfDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeNet us-gaap:DerivativeInstrumentRisk

denn:DedesignatedInterestRateSwaps


Derivative
Period End2021-06-30
Value-46.0
Percentage of DerivativeFairValueOfDerivativeNet-79.7

denn:InterestRateSwap20202033


Derivative
Period End2021-06-302021-03-312020-12-30
Value462960
Percentage of DerivativeFairValueOfDerivativeNet79.771.379.2

denn:InterestRateSwaps20182025


Derivative
Period End2021-06-302021-03-312020-12-30
Value7.9218.25510
Percentage of DerivativeFairValueOfDerivativeNet13.719.814.0

denn:InterestRateSwaps20182026


Derivative
Period End2021-06-302021-03-312020-12-30
Value3.7833.7015.232
Percentage of DerivativeFairValueOfDerivativeNet6.68.96.8

us-gaap:DerivativeLiabilities

us-gaap:DerivativeLiabilities


Derivative
Period End2021-03-312020-09-232020-06-242020-03-252019-12-252017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-29
Value12179489442.34.14.41.80.81414
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:OtherCurrentLiabilities, denn:InterestRateHedges2018, denn:AccumulatedGainLossNetCashFlowHedgeDedesignationOfAPortionOfInterestRateSwaps


Derivative
Period End2020-12-30
Value0.3
Percentage of DerivativeLiabilities0.0

us-gaap:OtherNoncurrentLiabilities, denn:InterestRateHedges2018, denn:AccumulatedGainLossNetCashFlowHedgeDedesignationOfAPortionOfInterestRateSwaps


Derivative
Period End2020-12-30
Value60
Percentage of DerivativeLiabilities0.0

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk

denn:CashFlowHedges2015


Derivative
Period End2020-12-30
Value15
Percentage of DerivativeLiabilities0.0

denn:EffectiveInterestRateSwaps


Derivative
Period End2021-06-30
Value11
Percentage of DerivativeLiabilities0.0

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

denn:InterestRateHedges2018, denn:AccumulatedGainLossNetCashFlowHedgeDedesignationOfAPortionOfInterestRateSwaps


Derivative
Period End2020-12-30
Value60
Percentage of DerivativeLiabilities0.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-26
Value574176859489444.475
Percentage of DerivativeLiabilities0.0346.60.0494.5100.0100.099.90.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-26
Value574176859489444.475
Percentage of DerivativeLiabilities0.0346.60.0494.5100.0100.099.90.0

us-gaap:DerivativeLiabilities us-gaap:StatementEquityComponents

denn:AccumulatedGainLossNetCashFlowHedgeDedesignationOfAPortionOfInterestRateSwaps


Derivative
Period End2021-03-312020-09-23
Value2967
Percentage of DerivativeLiabilities246.7394.2

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherAssets us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherAssets

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Disposal
Period End2020-12-302020-09-232020-06-242019-12-25
Value100000.0700000.0300000.0200000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherAssets100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Disposal
Period End2020-12-302020-09-232020-06-242019-12-25
Value1000000.02500000.01700000.01600000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations


Disposal
Period End2020-12-302019-12-252018-12-26
Value1000000.01600000.0700000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312013-12-252012-12-262011-12-28
Value191517118.3237.047191718172320191620181715272220163024221623182017
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:PerformanceShares


Employee
Period End2020-12-302020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242013-09-25
Value8.84.98.81418208.69.311138.01011137.08.610.0116.07.78.18.34.64.65.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-302020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242013-09-252013-06-262013-03-272012-12-262012-09-262012-06-27
Value0.30.10.30.50.70.20.40.60.80.20.50.71.00.30.30.30.70.10.30.50.70.10.20.40.45.86.62.83.63.7
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions3.42.03.43.53.91.04.76.56.81.56.26.78.82.24.33.57.00.95.06.58.61.24.38.78.00.00.00.00.00.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:TitleOfIndividual

denn:CertainEmployees


Employee
Period End2021-06-302021-03-312020-09-232020-06-24
Value19229.812
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions0.00.00.00.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:TitleOfIndividual, us-gaap:AwardType

denn:BoardMembers, us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-302021-03-312020-09-232020-06-24
Value0.80.10.60.8
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions0.00.00.00.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-302019-12-25
Value1516
Percentage of FinanceLeaseLiability100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-26
Value1637000.01808000.01839000.01963000.01987000.01637000.01674000.01812000.02651000.03487000.03410000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-26
Value1313131314141415202527
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-30
Value38
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-30
Value19
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-30
Value4737000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-30
Value3163000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-30
Value3171000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-30
Value3778000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-30
Value4343000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-30
Value23
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-26
Value9.4379.4019.831010111112162022
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset us-gaap:FranchisorDisclosure

us-gaap:FranchisedUnits


Finance
Period End2020-12-302019-12-25
Value3.9254.677
Percentage of FinanceLeaseRightOfUseAsset39.939.9

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization us-gaap:FranchisorDisclosure

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization

us-gaap:FranchisedUnits


Finance
Period End2020-12-302019-12-25
Value4137000.03768000.0
Percentage of FinanceLeaseRightOfUseAssetAccumulatedAmortization100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization us-gaap:FranchisorDisclosure

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization

us-gaap:FranchisedUnits


Finance
Period End2020-12-302019-12-25
Value8062000.08445000.0
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272011-12-28
Value5.5335.1994.8667.1716.6026.3695.7675.8345.3435.1595.1194.4674.0693.1722.3892.532.0271.821.4374.6074.6575.14513131312222121212928282833323236
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-30
Value1333000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-30
Value776000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-30
Value832000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-30
Value902000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-30
Value1226000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-27
Value121212151515151616171920202015
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IndefiniteLivedLicenseAgreements

us-gaap:IndefiniteLivedLicenseAgreements


Indefinite
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-26
Value120000.0120000.0120000.0120000.0120000.0120000.0120000.0120000.0166000.0166000.0166000.0166000.0166000.0166000.0166000.0166000.0166000.0166000.0166000.0166000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0156000.0
Percentage of IndefiniteLivedLicenseAgreements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IndefiniteLivedTradeNames

us-gaap:IndefiniteLivedTradeNames


Indefinite
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-26
Value444444444444444444444444444444444444444444444444444444444444444444
Percentage of IndefiniteLivedTradeNames100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-26
Value565656595959596061616464646459585856555853515959585868686868777781
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:InvestmentsFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-26
Value2069000.02064000.02272000.02266000.02240000.05165000.03649000.01709000.0
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-26
Value2069000.02064000.02272000.02266000.02240000.05165000.03649000.01709000.0
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeFinanceLeaseDiscountRate

us-gaap:LesseeFinanceLeaseDiscountRate


Lessee
Period End2020-12-302019-12-25
Value23.823.5
Percentage of LesseeFinanceLeaseDiscountRate100.0100.0

us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseDiscountRate


Lessee
Period End2020-12-302019-12-25
Value5.85.9
Percentage of LesseeOperatingLeaseDiscountRate100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-30
Value25
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceived


Lessor
Period End2020-12-30
Value313
Percentage of LessorOperatingLeasePaymentsToBeReceived100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears


Lessor
Period End2020-12-30
Value24
Percentage of LessorOperatingLeasePaymentsToBeReceivedFiveYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears


Lessor
Period End2020-12-30
Value24
Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths


Lessor
Period End2020-12-30
Value31
Percentage of LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter


Lessor
Period End2020-12-30
Value177
Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears


Lessor
Period End2020-12-30
Value26
Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears


Lessor
Period End2020-12-30
Value28
Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LetterOfCredit


Letters
Period End2021-06-302021-03-312020-12-302020-09-23
Value15171717
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-262016-12-282016-03-302015-12-30
Value553974829283412.7660.7569.351.66
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-25
Value41266070807227
Percentage of LiabilitiesFairValueDisclosure74.866.081.685.686.886.767.0

us-gaap:LineOfCredit us-gaap:DebtInstrument

us-gaap:LineOfCredit

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-12-302020-09-232015-09-302014-12-312014-09-24
Value1802152102301508597
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-12-302020-09-23
Value179142147152
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent


Long
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value1.8391.6743.413.1683.2853.2467.7347.15126.971
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-30
Value210
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:LongtermDebtWeightedAverageInterestRate us-gaap:DebtInstrument

us-gaap:LongtermDebtWeightedAverageInterestRate

us-gaap:RevolvingCreditFacility


Longterm
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-31
Value3.113.113.153.160.03180.03390.03470.04180.04740.04740.04430.04120.0430.03760.03420.03270.03130.02610.02450.02280.02210.02190.01760.0170.01690.01690.0217
Percentage of LongtermDebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtWeightedAverageInterestRate us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

us-gaap:RevolvingCreditFacility, us-gaap:InterestRateSwap


Longterm
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-01
Value5.314.965.014.850.05220.03840.03990.04440.04740.04720.04480.04350.04570.03530.03320.03220.03170.02780.02740.02630.02620.0260.02310.02440.02480.0253
Percentage of LongtermDebtWeightedAverageInterestRate170.7159.5159.0153.5164.2113.3115.0106.2100.099.6101.1105.6106.393.997.198.5101.3106.5111.8115.4118.6118.7131.2143.5146.7149.7

us-gaap:LossContingencyDiscountedAmountOfInsuranceRelatedAssessmentLiability

us-gaap:LossContingencyDiscountedAmountOfInsuranceRelatedAssessmentLiability


Loss
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value14161716192123232324
Percentage of LossContingencyDiscountedAmountOfInsuranceRelatedAssessmentLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesAndLoansReceivableGrossCurrent

us-gaap:NotesAndLoansReceivableGrossCurrent


Notes
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-26
Value1082000.01484000.02104000.01283000.01499000.01819000.02230000.04985000.03310000.03177000.03211000.03559000.04046000.04675000.05084000.02228000.03397000.04978000.02804000.01557000.01363000.01253000.01352000.01174000.01304000.01275000.01419000.01563000.01472000.01532000.01800000.02049000.04310000.0
Percentage of NotesAndLoansReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesAndLoansReceivableNetNoncurrent

us-gaap:NotesAndLoansReceivableNetNoncurrent


Notes
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272011-12-28
Value398000.0463000.0502000.0188000.0181000.0248000.0364000.0450000.01363000.01573000.01528000.01110000.01329000.01573000.0427000.0479000.0480000.0638000.0732000.0579000.0436000.0459000.0541000.0462000.0567000.0523000.0425000.0382000.0535000.0613000.0766000.0842000.0924000.0960000.01002000.0811000.0593000.0560000.0
Percentage of NotesAndLoansReceivableNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherReceivablesGrossCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:OtherReceivablesGrossCurrent

denn:OtherReceivables


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-26
Value2062000.01794000.02668000.02266000.02248000.02323000.0915000.0892000.0692000.01306000.01942000.01566000.01835000.01545000.0762000.0656000.0314000.01125000.01261000.0239000.0219000.0194000.0251000.089000.0226000.0926000.01816000.01454000.01149000.01216000.01002000.01193000.01524000.0
Percentage of OtherReceivablesGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

denn:VendorReceivables


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-26
Value2023000.01578000.02199000.0894000.0768000.01198000.03260000.01386000.02299000.02782000.04016000.02039000.02003000.01791000.03256000.01844000.01844000.01630000.03865000.01454000.01438000.01361000.03049000.01516000.01182000.0973000.02534000.01141000.01155000.0944000.02516000.01130000.02529000.0
Percentage of OtherReceivablesGrossCurrent98.188.082.439.534.251.6356.3155.4332.2213.0206.8130.2109.2115.9427.3281.1587.3144.9306.5608.4656.6701.51214.71703.4523.0105.1139.578.5100.577.6251.194.7165.9

us-gaap:CreditCardReceivables


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-26
Value684000.0816000.0542000.0587000.0497000.085000.06806000.0876000.01263000.01480000.05955000.01030000.01458000.01549000.01870000.01505000.01379000.01342000.01678000.01141000.01245000.01359000.01606000.01195000.01472000.01385000.01661000.01004000.0894000.0884000.02162000.0792000.01384000.0
Percentage of OtherReceivablesGrossCurrent33.245.520.325.922.13.7743.898.2182.5113.3306.665.879.5100.3245.4229.4439.2119.3133.1477.4568.5700.5639.81342.7651.3149.691.569.177.872.7215.866.490.8

us-gaap:OtherSundryLiabilitiesCurrent

us-gaap:OtherSundryLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312013-12-252012-12-262011-12-28
Value8.9499.499.42410119.8521211119.9739.4468.40510109.0459.46311109.8989.174121315109.7078.6519.9917.6571212
Percentage of OtherSundryLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities


Pension
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282016-09-282016-06-292016-03-302015-12-302014-12-31
Value717000.0662000.0584000.0280000.0259000.0355000.0431000.09753000.09648000.0224000.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent


Pension
Period End2020-12-302019-12-252018-12-262017-12-27
Value2.2982.3372.3932.608
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization us-gaap:FranchisorDisclosure

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:FranchisedUnits


Property
Period End2020-12-302019-12-25
Value3944
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets

us-gaap:PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets


Property
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value232245343344353345338332328322
Percentage of PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets us-gaap:FranchisorDisclosure

us-gaap:FranchisedUnits


Property
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value941057070767778798048
Percentage of PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets40.843.220.520.521.622.523.123.924.515.0

us-gaap:PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets us-gaap:FranchisorDisclosure, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FranchisedUnits, us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value69785354596163646636
Percentage of PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets29.932.115.616.017.017.818.719.420.111.2

us-gaap:FranchisedUnits, us-gaap:Land


Property
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value25271615161614141412
Percentage of PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets10.811.14.94.54.64.74.44.54.43.8

us-gaap:PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value160172241243243238233229228214
Percentage of PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets69.170.570.470.968.968.969.069.169.466.5

us-gaap:Land


Property
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value36393332292927272627
Percentage of PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets15.816.29.89.48.58.68.08.28.18.4

us-gaap:OtherCapitalizedPropertyPlantAndEquipment


Property
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value35326867797777757381
Percentage of PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets15.113.219.919.722.622.422.922.822.525.1

us-gaap:PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets

us-gaap:PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets


Property
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value8283868993979711711611110996919499
Percentage of PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets us-gaap:FranchisorDisclosure

us-gaap:FranchisedUnits


Property
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value35402422242424242415
Percentage of PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets41.641.320.619.121.522.725.027.326.415.5

us-gaap:PurchaseObligation

us-gaap:PurchaseObligation


Purchase
Period End2020-12-30
Value155
Percentage of PurchaseObligation100.0

us-gaap:PurchaseObligationDueInNextTwelveMonths

us-gaap:PurchaseObligationDueInNextTwelveMonths


Purchase
Period End2020-12-30
Value155
Percentage of PurchaseObligationDueInNextTwelveMonths100.0

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


Restructuring
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272011-12-282010-12-29
Value100000.0100000.0100000.0100000.0200000.0200000.0200000.0100000.0100000.0100000.01155000.01144000.01203000.01097000.01180000.01264000.01343000.01080000.01896000.02025000.01951000.02044000.02043000.01983000.02166000.02346000.02142000.02525000.02753000.02900000.03149000.03443000.03662000.03740000.04061000.03835000.03973000.03863000.04948000.0
Percentage of RestructuringReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2020-12-302019-12-252019-09-252018-12-262018-09-262018-06-272018-03-28
Value1.9972.2350.58320202121
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0100.0

us-gaap:SaleOfStockPricePerShare

us-gaap:SaleOfStockPricePerShare


Sale
Period End2020-07-01
Value9.15
Percentage of SaleOfStockPricePerShare100.0

us-gaap:SelfInsuranceReserveNoncurrent

us-gaap:SelfInsuranceReserveNoncurrent


Self
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value9.6029.9310101111111212121212121212131414141414151516171718171818181817161817171718181818
Percentage of SelfInsuranceReserveNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber

us-gaap:PerformanceShares


Share
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-252012-12-262011-12-28
Value1563000.01681000.01688000.01737000.01366000.01028000.0845000.0832000.0933000.01276000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-31
Value800000.0700000.0800000.0900000.0900000.0900000.0900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber51.241.647.451.865.987.5106.5

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant


Share
Period End2020-12-302019-12-252018-12-262017-12-272016-12-282015-12-302014-12-312013-12-25
Value700000.0700000.0700000.0700000.0800000.0800000.0800000.0800000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName

denn:A2017OmnibusPlan


Share
Period End2020-12-302019-12-252018-12-262017-12-27
Value2000000.02600000.03600000.04300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant285.7371.4514.3614.3

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-30
Value3.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-30
Value305000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-30
Value30000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption


Sharebased
Period End2020-12-30
Value305000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits

us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits


Supplemental
Period End2021-06-302021-03-312020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292015-12-30
Value700000.01700000.0600000.0700000.01600000.0600000.0900000.01100000.0600000.0800000.0600000.0100000.0200000.0300000.0100000.0100000.0200000.0300000.0400000.0300000.0300000.0400000.0
Percentage of SupplementalUnemploymentBenefitsSeveranceBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


Treasury
Period End2020-12-302020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252013-06-262013-03-272012-12-262012-09-262012-06-272012-03-282011-12-282011-09-282011-06-292010-12-29
Value0.054545452504947474545444341393735333030292423212120191715151311110.0091368.126.6960.0066960.0060624.7681.037
Percentage of TreasuryStockShares0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockShares us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2020-09-232020-06-242020-03-252019-12-252019-09-252019-06-262019-03-272018-12-262018-09-262018-06-272018-03-282017-12-272017-09-272017-06-282017-03-292016-12-282016-09-282016-06-292016-03-302015-12-302015-09-302015-07-012015-04-012014-12-312014-09-242014-06-252014-03-262013-12-252013-09-252012-12-262011-12-282010-12-29
Value5454545250494747454544434139373533303029242321212019171515116.6961.037
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100000.0100.0

Line plots across dimensions of each concept


us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
Allocated Share Based Compensation Expenseus-gaap: Award Type
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockholdersEquity
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
(None, 'us-gaap:AccumulatedGainLossNetCashFlowHedgeParent')
Stockholders Equityus-gaap: Derivative Instrument Risk, us-gaap: Statement Equity Components
us-gaap:MarketableSecuritiesCurrent
us-gaap:FairValueByMeasurementBasis
(None,)
Marketable Securities Currentus-gaap: Fair Value By Measurement Basis
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockholdersEquity
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
(None, 'us-gaap:AccumulatedGainLossNetCashFlowHedgeParent')
Stockholders Equityus-gaap: Derivative Instrument Risk, us-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components